72286124 has 12 divisors (see below), whose sum is σ = 126949704. Its totient is φ = 36014784.

The previous prime is 72286069. The next prime is 72286187. The reversal of 72286124 is 42168227.

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, 30797 + ... + 33060.

It is an arithmetic number, because the mean of its divisors is an integer number (10579142).

Almost surely, 2^72286124 is an apocalyptic number.

It is an amenable number.

72286124 is a deficient number, since it is larger than the sum of its proper divisors (54663580).

72286124 is a wasteful number, since it uses less digits than its factorization.

72286124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64144 (or 64142 counting only the distinct ones).

The product of its digits is 10752, while the sum is 32.

The square root of 72286124 is about 8502.1246756326. The cubic root of 72286124 is about 416.5671120730.

The spelling of 72286124 in words is "seventy-two million, two hundred eighty-six thousand, one hundred twenty-four".