72059225172 has 48 divisors (see below), whose sum is σ = 189748440000. Its totient is φ = 21083157760.

The previous prime is 72059225171. The next prime is 72059225179. The reversal of 72059225172 is 27152295027.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72059225171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9408297 + ... + 9415952.

It is an arithmetic number, because the mean of its divisors is an integer number (3953092500).

Almost surely, 2^72059225172 is an apocalyptic number.

It is an amenable number.

72059225172 is an abundant number, since it is smaller than the sum of its proper divisors (117689214828).

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

72059225172 is a wasteful number, since it uses less digits than its factorization.

72059225172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18824296 (or 18824294 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 42.

The spelling of 72059225172 in words is "seventy-two billion, fifty-nine million, two hundred twenty-five thousand, one hundred seventy-two".