72704690372832 has 192 divisors, whose sum is σ = 226141873864704. Its totient is φ = 20014120005120.

The previous prime is 72704690372791. The next prime is 72704690372849. The reversal of 72704690372832 is 23827309640727.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2958468 + ... + 12416195.

It is an arithmetic number, because the mean of its divisors is an integer number (1177822259712).

Almost surely, 2^{72704690372832} is an apocalyptic number.

It is an amenable number.

72704690372832 is an abundant number, since it is smaller than the sum of its proper divisors (153437183491872).

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

72704690372832 is a wasteful number, since it uses less digits than its factorization.

72704690372832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15374941 (or 15374933 counting only the distinct ones).

The product of its (nonzero) digits is 42674688, while the sum is 60.

The spelling of 72704690372832 in words is "seventy-two trillion, seven hundred four billion, six hundred ninety million, three hundred seventy-two thousand, eight hundred thirty-two".