72500077532 has 24 divisors (see below), whose sum is σ = 132413963136. Its totient is φ = 34668052848.

The previous prime is 72500077519. The next prime is 72500077537. The reversal of 72500077532 is 23577000527.

It is a super-2 number, since 2×72500077532² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72500077537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 503063 + ... + 630929.

It is an arithmetic number, because the mean of its divisors is an integer number (5517248464).

Almost surely, 2^72500077532 is an apocalyptic number.

It is an amenable number.

72500077532 is a deficient number, since it is larger than the sum of its proper divisors (59913885604).

72500077532 is a wasteful number, since it uses less digits than its factorization.

72500077532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134057 (or 134055 counting only the distinct ones).

The product of its (nonzero) digits is 102900, while the sum is 38.

The spelling of 72500077532 in words is "seventy-two billion, five hundred million, seventy-seven thousand, five hundred thirty-two".