72730125176 has 32 divisors (see below), whose sum is σ = 137497039680. Its totient is φ = 36065347200.

The previous prime is 72730125151. The next prime is 72730125199. The reversal of 72730125176 is 67152103727.

It is a super-2 number, since 2×72730125176² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462986 + ... + 599846.

It is an arithmetic number, because the mean of its divisors is an integer number (4296782490).

Almost surely, 2^72730125176 is an apocalyptic number.

It is an amenable number.

72730125176 is a deficient number, since it is larger than the sum of its proper divisors (64766914504).

72730125176 is a wasteful number, since it uses less digits than its factorization.

72730125176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137415 (or 137411 counting only the distinct ones).

The product of its (nonzero) digits is 123480, while the sum is 41.

The spelling of 72730125176 in words is "seventy-two billion, seven hundred thirty million, one hundred twenty-five thousand, one hundred seventy-six".