72376450015172 has 48 divisors (see below), whose sum is σ = 128567408941440. Its totient is φ = 35643902784000.

The previous prime is 72376450015141. The next prime is 72376450015211. The reversal of 72376450015172 is 27151005467327.

It is a self number, because there is not a number n which added to its sum of digits gives 72376450015172.

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, 4471262063 + ... + 4471278249.

It is an arithmetic number, because the mean of its divisors is an integer number (2678487686280).

Almost surely, 2^{72376450015172} is an apocalyptic number.

It is an amenable number.

72376450015172 is a deficient number, since it is larger than the sum of its proper divisors (56190958926268).

72376450015172 is a wasteful number, since it uses less digits than its factorization.

72376450015172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30572 (or 30570 counting only the distinct ones).

The product of its (nonzero) digits is 2469600, while the sum is 50.

The spelling of 72376450015172 in words is "seventy-two trillion, three hundred seventy-six billion, four hundred fifty million, fifteen thousand, one hundred seventy-two".