72856793088 has 208 divisors, whose sum is σ = 225238083840. Its totient is φ = 23228891136.

The previous prime is 72856793071. The next prime is 72856793137. The reversal of 72856793088 is 88039765827.

It is a super-2 number, since 2×72856793088² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2529295 + ... + 2557937.

Almost surely, 2^72856793088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72856793088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112619041920).

72856793088 is an abundant number, since it is smaller than the sum of its proper divisors (152381290752).

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

72856793088 is a wasteful number, since it uses less digits than its factorization.

72856793088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28699 (or 28671 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 63.

The spelling of 72856793088 in words is "seventy-two billion, eight hundred fifty-six million, seven hundred ninety-three thousand, eighty-eight".