72249298588 has 12 divisors (see below), whose sum is σ = 126446057640. Its totient is φ = 36121853552.

The previous prime is 72249298579. The next prime is 72249298601. The reversal of 72249298588 is 88589294227.

It is a super-2 number, since 2×72249298588² (a number of 23 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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 640243 + ... + 744586.

It is an arithmetic number, because the mean of its divisors is an integer number (10537171470).

Almost surely, 2^72249298588 is an apocalyptic number.

It is an amenable number.

72249298588 is a deficient number, since it is larger than the sum of its proper divisors (54196759052).

72249298588 is a wasteful number, since it uses less digits than its factorization.

72249298588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397876 (or 1397874 counting only the distinct ones).

The product of its digits is 46448640, while the sum is 64.

The spelling of 72249298588 in words is "seventy-two billion, two hundred forty-nine million, two hundred ninety-eight thousand, five hundred eighty-eight".