72767684036 has 12 divisors (see below), whose sum is σ = 131734600620. Its totient is φ = 35129226720.

The previous prime is 72767684029. The next prime is 72767684053. The reversal of 72767684036 is 63048676727.

It can be written as a sum of positive squares in 2 ways, for example, as 58663746436 + 14103937600 = 242206^2 + 118760^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313653695 + ... + 313653926.

It is an arithmetic number, because the mean of its divisors is an integer number (10977883385).

Almost surely, 2^72767684036 is an apocalyptic number.

It is an amenable number.

72767684036 is a deficient number, since it is larger than the sum of its proper divisors (58966916584).

72767684036 is a wasteful number, since it uses less digits than its factorization.

72767684036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627307654 (or 627307652 counting only the distinct ones).

The product of its (nonzero) digits is 14224896, while the sum is 56.

The spelling of 72767684036 in words is "seventy-two billion, seven hundred sixty-seven million, six hundred eighty-four thousand, thirty-six".