72044713064 has 16 divisors (see below), whose sum is σ = 135198235620. Its totient is φ = 35991850240.

The previous prime is 72044713033. The next prime is 72044713087. The reversal of 72044713064 is 46031744027.

It can be written as a sum of positive squares in 2 ways, for example, as 61922340964 + 10122372100 = 248842^2 + 100610^2 .

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, 3803249 + ... + 3822144.

Almost surely, 2^72044713064 is an apocalyptic number.

It is an amenable number.

72044713064 is a deficient number, since it is larger than the sum of its proper divisors (63153522556).

72044713064 is a wasteful number, since it uses less digits than its factorization.

72044713064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7626580 (or 7626576 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 38.

The spelling of 72044713064 in words is "seventy-two billion, forty-four million, seven hundred thirteen thousand, sixty-four".