64732832120 has 64 divisors (see below), whose sum is σ = 160804103040. Its totient is φ = 23255593600.

The previous prime is 64732832113. The next prime is 64732832137. The reversal of 64732832120 is 2123823746.

It is a super-2 number, since 2×64732832120² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 849746 + ... + 922785.

It is an arithmetic number, because the mean of its divisors is an integer number (2512564110).

Almost surely, 2^64732832120 is an apocalyptic number.

It is an amenable number.

64732832120 is an abundant number, since it is smaller than the sum of its proper divisors (96071270920).

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

64732832120 is a wasteful number, since it uses less digits than its factorization.

64732832120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1772636 (or 1772632 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 38.

The spelling of 64732832120 in words is "sixty-four billion, seven hundred thirty-two million, eight hundred thirty-two thousand, one hundred twenty".