674875604664 has 48 divisors (see below), whose sum is σ = 1828237647600. Its totient is φ = 224903205504.

The previous prime is 674875604657. The next prime is 674875604671. The reversal of 674875604664 is 466406578476.

It is a happy number.

674875604664 is a `hidden beast` number, since 6 + 7 + 4 + 8 + 7 + 560 + 4 + 6 + 64 = 666.

It is an interprime number because it is at equal distance from previous prime (674875604657) and next prime (674875604671).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 857404 + ... + 1443915.

It is an arithmetic number, because the mean of its divisors is an integer number (38088284325).

Almost surely, 2^674875604664 is an apocalyptic number.

It is an amenable number.

674875604664 is an abundant number, since it is smaller than the sum of its proper divisors (1153362042936).

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

674875604664 is a wasteful number, since it uses less digits than its factorization.

674875604664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2305404 (or 2305397 counting only the distinct ones).

The product of its (nonzero) digits is 162570240, while the sum is 63.

The spelling of 674875604664 in words is "six hundred seventy-four billion, eight hundred seventy-five million, six hundred four thousand, six hundred sixty-four".