674888864 has 48 divisors (see below), whose sum is σ = 1465831080. Its totient is φ = 303882240.

The previous prime is 674888861. The next prime is 674888881. The reversal of 674888864 is 468888476.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 320696464 + 354192400 = 17908^2 + 18820^2 .

It is not an unprimeable number, because it can be changed into a prime (674888861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2729 + ... + 36840.

Almost surely, 2^674888864 is an apocalyptic number.

It is an amenable number.

674888864 is an abundant number, since it is smaller than the sum of its proper divisors (790942216).

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

674888864 is a wasteful number, since it uses less digits than its factorization.

674888864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39633 (or 39625 counting only the distinct ones).

The product of its digits is 16515072, while the sum is 59.

The square root of 674888864 is about 25978.6232121720. The cubic root of 674888864 is about 877.1571760607.

The spelling of 674888864 in words is "six hundred seventy-four million, eight hundred eighty-eight thousand, eight hundred sixty-four".