72716117594 has 8 divisors (see below), whose sum is σ = 115490304468. Its totient is φ = 34219349440.

The previous prime is 72716117587. The next prime is 72716117623. The reversal of 72716117594 is 49571161727.

It can be written as a sum of positive squares in 2 ways, for example, as 55949752369 + 16766365225 = 236537^2 + 129485^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

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, 1069354637 + ... + 1069354704.

Almost surely, 2^72716117594 is an apocalyptic number.

72716117594 is a deficient number, since it is larger than the sum of its proper divisors (42774186874).

72716117594 is a wasteful number, since it uses less digits than its factorization.

72716117594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2138709360.

The product of its digits is 740880, while the sum is 50.

The spelling of 72716117594 in words is "seventy-two billion, seven hundred sixteen million, one hundred seventeen thousand, five hundred ninety-four".