72856700375 has 32 divisors (see below), whose sum is σ = 94952677248. Its totient is φ = 55707590400.

The previous prime is 72856700353. The next prime is 72856700417. The reversal of 72856700375 is 57300765827.

It is a happy number.

It is not a de Polignac number, because 72856700375 - 2¹⁸ = 72856438231 is a prime.

It is a Duffinian number.

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 31 ways as a sum of consecutive naturals, for example, 3938147 + ... + 3956603.

It is an arithmetic number, because the mean of its divisors is an integer number (2967271164).

Almost surely, 2^72856700375 is an apocalyptic number.

72856700375 is a deficient number, since it is larger than the sum of its proper divisors (22095976873).

72856700375 is a wasteful number, since it uses less digits than its factorization.

72856700375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19868 (or 19858 counting only the distinct ones).

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

The spelling of 72856700375 in words is "seventy-two billion, eight hundred fifty-six million, seven hundred thousand, three hundred seventy-five".