64696972 has 12 divisors (see below), whose sum is σ = 113430520. Its totient is φ = 32288256.

The previous prime is 64696903. The next prime is 64696987. The reversal of 64696972 is 27969646.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

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, 12597 + ... + 16972.

Almost surely, 2^64696972 is an apocalyptic number.

It is an amenable number.

64696972 is a deficient number, since it is larger than the sum of its proper divisors (48733548).

64696972 is a wasteful number, since it uses less digits than its factorization.

64696972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30120 (or 30118 counting only the distinct ones).

The product of its digits is 979776, while the sum is 49.

The square root of 64696972 is about 8043.4427952215. The cubic root of 64696972 is about 401.4467857186.

The spelling of 64696972 in words is "sixty-four million, six hundred ninety-six thousand, nine hundred seventy-two".