72738903795 has 16 divisors (see below), whose sum is σ = 116397775872. Its totient is φ = 38788905440.

The previous prime is 72738903779. The next prime is 72738903817. The reversal of 72738903795 is 59730983727.

It is not a de Polignac number, because 72738903795 - 2⁴ = 72738903779 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206001 + ... + 433490.

It is an arithmetic number, because the mean of its divisors is an integer number (7274860992).

Almost surely, 2^72738903795 is an apocalyptic number.

72738903795 is a deficient number, since it is larger than the sum of its proper divisors (43658872077).

72738903795 is a wasteful number, since it uses less digits than its factorization.

72738903795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647082.

The product of its (nonzero) digits is 20003760, while the sum is 60.

The spelling of 72738903795 in words is "seventy-two billion, seven hundred thirty-eight million, nine hundred three thousand, seven hundred ninety-five".