72807901958 has 24 divisors (see below), whose sum is σ = 123287195136. Its totient is φ = 32200050960.

The previous prime is 72807901949. The next prime is 72807901973. The reversal of 72807901958 is 85910970827.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4056710 + ... + 4074617.

It is an arithmetic number, because the mean of its divisors is an integer number (5136966464).

Almost surely, 2^72807901958 is an apocalyptic number.

72807901958 is a deficient number, since it is larger than the sum of its proper divisors (50479293178).

72807901958 is a wasteful number, since it uses less digits than its factorization.

72807901958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8131388 (or 8131377 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 56.

The spelling of 72807901958 in words is "seventy-two billion, eight hundred seven million, nine hundred one thousand, nine hundred fifty-eight".