64972264 has 16 divisors (see below), whose sum is σ = 139226400. Its totient is φ = 27845232.

The previous prime is 64972253. The next prime is 64972273. The reversal of 64972264 is 46227946.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 580054 + ... + 580165.

It is an arithmetic number, because the mean of its divisors is an integer number (8701650).

Almost surely, 2^64972264 is an apocalyptic number.

It is an amenable number.

64972264 is an abundant number, since it is smaller than the sum of its proper divisors (74254136).

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

64972264 is a wasteful number, since it uses less digits than its factorization.

64972264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160232 (or 1160228 counting only the distinct ones).

The product of its digits is 145152, while the sum is 40.

The square root of 64972264 is about 8060.5374510637. The cubic root of 64972264 is about 402.0153785690.

The spelling of 64972264 in words is "sixty-four million, nine hundred seventy-two thousand, two hundred sixty-four".