64596972 has 48 divisors (see below), whose sum is σ = 171585792. Its totient is φ = 18722880.

The previous prime is 64596971. The next prime is 64597009. The reversal of 64596972 is 27969546.

It is not an unprimeable number, because it can be changed into a prime (64596971) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 7603 + ... + 13674.

It is an arithmetic number, because the mean of its divisors is an integer number (3574704).

Almost surely, 2^64596972 is an apocalyptic number.

It is an amenable number.

64596972 is an abundant number, since it is smaller than the sum of its proper divisors (106988820).

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

64596972 is a wasteful number, since it uses less digits than its factorization.

64596972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21318 (or 21316 counting only the distinct ones).

The product of its digits is 816480, while the sum is 48.

The square root of 64596972 is about 8037.2241476769. The cubic root of 64596972 is about 401.2398446591.

It can be divided in two parts, 6459 and 6972, that added together give a palindrome (13431).

The spelling of 64596972 in words is "sixty-four million, five hundred ninety-six thousand, nine hundred seventy-two".