72099588157532 has 72 divisors (see below), whose sum is σ = 140420131588800. Its totient is φ = 32199730692480.

The previous prime is 72099588157511. The next prime is 72099588157549. The reversal of 72099588157532 is 23575188599027.

It is a super-2 number, since 2×72099588157532² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 481105469 + ... + 481255307.

It is an arithmetic number, because the mean of its divisors is an integer number (1950279605400).

Almost surely, 2^{72099588157532} is an apocalyptic number.

It is an amenable number.

72099588157532 is a deficient number, since it is larger than the sum of its proper divisors (68320543431268).

72099588157532 is a wasteful number, since it uses less digits than its factorization.

72099588157532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159547 (or 159514 counting only the distinct ones).

The product of its (nonzero) digits is 381024000, while the sum is 71.

The spelling of 72099588157532 in words is "seventy-two trillion, ninety-nine billion, five hundred eighty-eight million, one hundred fifty-seven thousand, five hundred thirty-two".