72816713455936 has 56 divisors (see below), whose sum is σ = 152661958693760. Its totient is φ = 34364850048000.

The previous prime is 72816713455921. The next prime is 72816713456017. The reversal of 72816713455936 is 63955431761827.

It is a super-2 number, since 2×72816713455936² (a number of 29 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 7 ways as a sum of consecutive naturals, for example, 110154165 + ... + 110813236.

Almost surely, 2^{72816713455936} is an apocalyptic number.

72816713455936 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

72816713455936 is an abundant number, since it is smaller than the sum of its proper divisors (79845245237824).

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

72816713455936 is a wasteful number, since it uses less digits than its factorization.

72816713455936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220967703 (or 220967693 counting only the distinct ones).

The product of its digits is 228614400, while the sum is 67.

The spelling of 72816713455936 in words is "seventy-two trillion, eight hundred sixteen billion, seven hundred thirteen million, four hundred fifty-five thousand, nine hundred thirty-six".