72157324701200 has 30 divisors (see below), whose sum is σ = 173357972595594. Its totient is φ = 28862929880320.

The previous prime is 72157324701193. The next prime is 72157324701211. The reversal of 72157324701200 is 210742375127.

It can be written as a sum of positive squares in 3 ways, for example, as 1428350058496 + 70728974642704 = 1195136^2 + 8410052^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 90196655477 + ... + 90196656276.

Almost surely, 2^{72157324701200} is an apocalyptic number.

It is an amenable number.

72157324701200 is an abundant number, since it is smaller than the sum of its proper divisors (101200647894394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72157324701200 is a wasteful number, since it uses less digits than its factorization.

72157324701200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180393311771 (or 180393311760 counting only the distinct ones).

The product of its (nonzero) digits is 164640, while the sum is 41.

The spelling of 72157324701200 in words is "seventy-two trillion, one hundred fifty-seven billion, three hundred twenty-four million, seven hundred one thousand, two hundred".