72761865044 has 12 divisors (see below), whose sum is σ = 138909015168. Its totient is φ = 33073575000.

The previous prime is 72761865037. The next prime is 72761865067. The reversal of 72761865044 is 44056816727.

It is a junction number, because it is equal to n+sod(n) for n = 72761864983 and 72761865001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 826839332 + ... + 826839419.

It is an arithmetic number, because the mean of its divisors is an integer number (11575751264).

Almost surely, 2^72761865044 is an apocalyptic number.

It is an amenable number.

72761865044 is a deficient number, since it is larger than the sum of its proper divisors (66147150124).

72761865044 is a wasteful number, since it uses less digits than its factorization.

72761865044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1653678766 (or 1653678764 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 50.

The spelling of 72761865044 in words is "seventy-two billion, seven hundred sixty-one million, eight hundred sixty-five thousand, forty-four".