72817058336 has 24 divisors (see below), whose sum is σ = 156391182864. Its totient is φ = 33098662720.

The previous prime is 72817058329. The next prime is 72817058387. The reversal of 72817058336 is 63385071827.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103432970 + ... + 103433673.

It is an arithmetic number, because the mean of its divisors is an integer number (6516299286).

Almost surely, 2^72817058336 is an apocalyptic number.

It is an amenable number.

72817058336 is an abundant number, since it is smaller than the sum of its proper divisors (83574124528).

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

72817058336 is a wasteful number, since it uses less digits than its factorization.

72817058336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206866664 (or 206866656 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 72817058336 in words is "seventy-two billion, eight hundred seventeen million, fifty-eight thousand, three hundred thirty-six".