674696864 has 24 divisors (see below), whose sum is σ = 1329076980. Its totient is φ = 337153536.

The previous prime is 674696857. The next prime is 674696873. The reversal of 674696864 is 468696476.

It can be written as a sum of positive squares in 2 ways, for example, as 642115600 + 32581264 = 25340^2 + 5708^2 .

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, 61802 + ... + 71894.

Almost surely, 2^674696864 is an apocalyptic number.

It is an amenable number.

674696864 is a deficient number, since it is larger than the sum of its proper divisors (654380116).

674696864 is a wasteful number, since it uses less digits than its factorization.

674696864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12192 (or 12184 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 56.

The square root of 674696864 is about 25974.9276033640. The cubic root of 674696864 is about 877.0739869806.

The spelling of 674696864 in words is "six hundred seventy-four million, six hundred ninety-six thousand, eight hundred sixty-four".