72500748635 has 32 divisors (see below), whose sum is σ = 104957424000. Its totient is φ = 48000462720.

The previous prime is 72500748629. The next prime is 72500748659. The reversal of 72500748635 is 53684700527.

It is not a de Polignac number, because 72500748635 - 2¹⁴ = 72500732251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72500748635.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 679136 + ... + 778605.

It is an arithmetic number, because the mean of its divisors is an integer number (3279919500).

Almost surely, 2^72500748635 is an apocalyptic number.

72500748635 is a deficient number, since it is larger than the sum of its proper divisors (32456675365).

72500748635 is a wasteful number, since it uses less digits than its factorization.

72500748635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1457796 (or 1457782 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 47.

The spelling of 72500748635 in words is "seventy-two billion, five hundred million, seven hundred forty-eight thousand, six hundred thirty-five".