72767280044 has 24 divisors (see below), whose sum is σ = 129826086768. Its totient is φ = 35674966080.

The previous prime is 72767280031. The next prime is 72767280119. The reversal of 72767280044 is 44008276727.

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, 237779 + ... + 449525.

It is an arithmetic number, because the mean of its divisors is an integer number (5409420282).

Almost surely, 2^72767280044 is an apocalyptic number.

It is an amenable number.

72767280044 is a deficient number, since it is larger than the sum of its proper divisors (57058806724).

72767280044 is a wasteful number, since it uses less digits than its factorization.

72767280044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213425 (or 213423 counting only the distinct ones).

The product of its (nonzero) digits is 1053696, while the sum is 47.

The spelling of 72767280044 in words is "seventy-two billion, seven hundred sixty-seven million, two hundred eighty thousand, forty-four".