64768574604 has 24 divisors (see below), whose sum is σ = 153196904560. Its totient is φ = 21293777664.

The previous prime is 64768574597. The next prime is 64768574621. The reversal of 64768574604 is 40647586746.

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, 36967489 + ... + 36969240.

Almost surely, 2^64768574604 is an apocalyptic number.

It is an amenable number.

64768574604 is an abundant number, since it is smaller than the sum of its proper divisors (88428329956).

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

64768574604 is a wasteful number, since it uses less digits than its factorization.

64768574604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73936809 (or 73936807 counting only the distinct ones).

The product of its (nonzero) digits is 27095040, while the sum is 57.

The spelling of 64768574604 in words is "sixty-four billion, seven hundred sixty-eight million, five hundred seventy-four thousand, six hundred four".