72500079335920 has 20 divisors (see below), whose sum is σ = 168562684456200. Its totient is φ = 29000031734336.

The previous prime is 72500079335917. The next prime is 72500079335989. The reversal of 72500079335920 is 2953397000527.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453125495770 + ... + 453125495929.

It is an arithmetic number, because the mean of its divisors is an integer number (8428134222810).

Almost surely, 2^{72500079335920} is an apocalyptic number.

It is an amenable number.

72500079335920 is an abundant number, since it is smaller than the sum of its proper divisors (96062605120280).

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

72500079335920 is a wasteful number, since it uses less digits than its factorization.

72500079335920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906250991712 (or 906250991706 counting only the distinct ones).

The product of its (nonzero) digits is 3572100, while the sum is 52.

The spelling of 72500079335920 in words is "seventy-two trillion, five hundred billion, seventy-nine million, three hundred thirty-five thousand, nine hundred twenty".