74 (Number)

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
Ordinal74th (seventy-fourth)
Factorization2 \cdot 37
Roman numeralLXXIV
Binary1001010
Hexadecimal4A

In science

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:
   

 

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