674

674 = 2 x 337.

674 is 220222 in base 3 and 22202 in base 4. It is 828 in base 9.

674 is the sum of the cubes of the first six Fibonacci numbers (A005968).

674 is a number n such that n³ is a sum of two successive primes (A074925).

674 has a representation as a sum of two squares: 674 = 7² + 25².

Source: On-Line Encyclopedia of Integer Sequences