64825688 has 16 divisors (see below), whose sum is σ = 121920360. Its totient is φ = 32313600.

The previous prime is 64825669. The next prime is 64825697. The reversal of 64825688 is 88652846.

It is a congruent number.

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, 9593 + ... + 14888.

Almost surely, 2^64825688 is an apocalyptic number.

It is an amenable number.

64825688 is a deficient number, since it is larger than the sum of its proper divisors (57094672).

64825688 is a wasteful number, since it uses less digits than its factorization.

64825688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24818 (or 24814 counting only the distinct ones).

The product of its digits is 737280, while the sum is 47.

The square root of 64825688 is about 8051.4401196308. The cubic root of 64825688 is about 401.7128383264.

The spelling of 64825688 in words is "sixty-four million, eight hundred twenty-five thousand, six hundred eighty-eight".