674012720 has 40 divisors (see below), whose sum is σ = 1609440144. Its totient is φ = 262317312.

The previous prime is 674012711. The next prime is 674012797. The reversal of 674012720 is 27210476.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110894 + ... + 116813.

Almost surely, 2^674012720 is an apocalyptic number.

It is an amenable number.

674012720 is an abundant number, since it is smaller than the sum of its proper divisors (935427424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

674012720 is a wasteful number, since it uses less digits than its factorization.

674012720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227757 (or 227751 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 674012720 is about 25961.7549483851. The cubic root of 674012720 is about 876.7774351178. Note that the first 3 decimals are identical.

The spelling of 674012720 in words is "six hundred seventy-four million, twelve thousand, seven hundred twenty".