674765644 has 12 divisors (see below), whose sum is σ = 1349531344. Its totient is φ = 289185264.

The previous prime is 674765617. The next prime is 674765657. The reversal of 674765644 is 446567476.

674765644 is an admirable number.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12049359 + ... + 12049414.

Almost surely, 2^674765644 is an apocalyptic number.

It is an amenable number.

674765644 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

674765644 is a wasteful number, since it uses less digits than its factorization.

674765644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24098784 (or 24098782 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 49.

The square root of 674765644 is about 25976.2515386651. The cubic root of 674765644 is about 877.1037895494.

The spelling of 674765644 in words is "six hundred seventy-four million, seven hundred sixty-five thousand, six hundred forty-four".