72336373956 has 216 divisors, whose sum is σ = 231800692032. Its totient is φ = 18478022400.

The previous prime is 72336373943. The next prime is 72336373981. The reversal of 72336373956 is 65937363327.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 10311106 + ... + 10318118.

It is an arithmetic number, because the mean of its divisors is an integer number (1073151352).

Almost surely, 2^72336373956 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 72336373956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115900346016).

72336373956 is an abundant number, since it is smaller than the sum of its proper divisors (159464318076).

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

72336373956 is a wasteful number, since it uses less digits than its factorization.

72336373956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7163 (or 7097 counting only the distinct ones).

The product of its digits is 12859560, while the sum is 54.

The spelling of 72336373956 in words is "seventy-two billion, three hundred thirty-six million, three hundred seventy-three thousand, nine hundred fifty-six".