74 is the natural number following 73 and preceding 75.

In mathematics

Seventy-four is a nontotient. There are 74 different non-Hamiltonian polyhedra with a minimum number of vertices.

Cardinal	seventy-four
Ordinal	74th (seventy-fourth)
Factorization
Roman numeral	LXXIV
Binary	1001010
Hexadecimal	4A

In science

• The atomic number of tungsten

In astronomy,

Messier object M74, a magnitude 10.5 spiral galaxy in the constellation Pisces

The New General Catalogue object NGC 74 , a galaxy in the constellation Andromeda

The Saros number of the solar eclipse series which began on -615 August 8 and ended on 719 October 18. The duration of Saros series 74 was 1334.2 years, and it contained 75 solar eclipses.

The Saros number of the lunar eclipse series which began on -331 May 7 and ended on 949 June 13. The duration of Saros series 74 was 1280.1 years, and it contained 72 lunar eclipses.

In other fields

Seventy-four is also:

• The designation of USA Interstate 74, a freeway that runs from Iowa to Ohio.
• The number of sons of Levites, Jeshua, Kadmiel, Binnui, Hodaviah, in the Census of men of Israel upon return from exile (Holy Bible, Ezra 2:40).
• The registry of the U.S. Navy's nuclear aircraft carrier USS John C. Stennis (CVN-74), named after U.S. Senator John C. Stennis.
• The year AD 74, 74 BC, or 1974.
• A third-rate man-of-war with 74 guns; see Seventy-four (ship).
• Sometimes used as a substitute for 47 on Star Trek in-jokes.