72258124 has 12 divisors (see below), whose sum is σ = 126689248. Its totient is φ = 36061200.

The previous prime is 72258119. The next prime is 72258161. The reversal of 72258124 is 42185227.

It is a happy number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14532 + ... + 18859.

Almost surely, 2^72258124 is an apocalyptic number.

It is an amenable number.

72258124 is a deficient number, since it is larger than the sum of its proper divisors (54431124).

72258124 is a wasteful number, since it uses less digits than its factorization.

72258124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33936 (or 33934 counting only the distinct ones).

The product of its digits is 8960, while the sum is 31.

The square root of 72258124 is about 8500.4778689201. The cubic root of 72258124 is about 416.5133194278.

The spelling of 72258124 in words is "seventy-two million, two hundred fifty-eight thousand, one hundred twenty-four".