64672964 has 24 divisors (see below), whose sum is σ = 125048448. Its totient is φ = 29110400.

The previous prime is 64672961. The next prime is 64672969. The reversal of 64672964 is 46927646.

It is not an unprimeable number, because it can be changed into a prime (64672961) 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, 19112 + ... + 22239.

It is an arithmetic number, because the mean of its divisors is an integer number (5210352).

Almost surely, 2^64672964 is an apocalyptic number.

It is an amenable number.

64672964 is a deficient number, since it is larger than the sum of its proper divisors (60375484).

64672964 is a wasteful number, since it uses less digits than its factorization.

64672964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41395 (or 41393 counting only the distinct ones).

The product of its digits is 435456, while the sum is 44.

The square root of 64672964 is about 8041.9502609753. The cubic root of 64672964 is about 401.3971227717.

The spelling of 64672964 in words is "sixty-four million, six hundred seventy-two thousand, nine hundred sixty-four".