72957527572 has 48 divisors (see below), whose sum is σ = 133404186384. Its totient is φ = 34879104000.

The previous prime is 72957527563. The next prime is 72957527579. The reversal of 72957527572 is 27572575927.

It can be written as a sum of positive squares in 8 ways, for example, as 1516790916 + 71440736656 = 38946^2 + 267284^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72957527579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8870422 + ... + 8878642.

It is an arithmetic number, because the mean of its divisors is an integer number (2779253883).

Almost surely, 2^72957527572 is an apocalyptic number.

It is an amenable number.

72957527572 is a deficient number, since it is larger than the sum of its proper divisors (60446658812).

72957527572 is a wasteful number, since it uses less digits than its factorization.

72957527572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9340 (or 9338 counting only the distinct ones).

The product of its digits is 21609000, while the sum is 58.

The spelling of 72957527572 in words is "seventy-two billion, nine hundred fifty-seven million, five hundred twenty-seven thousand, five hundred seventy-two".