64972088 has 32 divisors (see below), whose sum is σ = 123966720. Its totient is φ = 31920000.

The previous prime is 64972087. The next prime is 64972133. The reversal of 64972088 is 88027946.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64972081) 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, 154118 + ... + 154538.

It is an arithmetic number, because the mean of its divisors is an integer number (3873960).

Almost surely, 2^64972088 is an apocalyptic number.

It is an amenable number.

64972088 is a deficient number, since it is larger than the sum of its proper divisors (58994632).

64972088 is a wasteful number, since it uses less digits than its factorization.

64972088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719 (or 715 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 64972088 is about 8060.5265336701. The cubic root of 64972088 is about 402.0150155691.

The spelling of 64972088 in words is "sixty-four million, nine hundred seventy-two thousand, eighty-eight".