72765272074660 has 24 divisors (see below), whose sum is σ = 166698623298816. Its totient is φ = 26460098936160.

The previous prime is 72765272074589. The next prime is 72765272074673. The reversal of 72765272074660 is 6647027256727.

It is a super-2 number, since 2×72765272074660² (a number of 29 digits) contains 22 as substring.

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, 165375618132 + ... + 165375618571.

It is an arithmetic number, because the mean of its divisors is an integer number (6945775970784).

Almost surely, 2^{72765272074660} is an apocalyptic number.

It is an amenable number.

72765272074660 is an abundant number, since it is smaller than the sum of its proper divisors (93933351224156).

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

72765272074660 is a wasteful number, since it uses less digits than its factorization.

72765272074660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330751236723 (or 330751236721 counting only the distinct ones).

The product of its (nonzero) digits is 82978560, while the sum is 61.

The spelling of 72765272074660 in words is "seventy-two trillion, seven hundred sixty-five billion, two hundred seventy-two million, seventy-four thousand, six hundred sixty".