72519996 has 24 divisors (see below), whose sum is σ = 171740800. Its totient is φ = 23812272.

The previous prime is 72519961. The next prime is 72520001. The reversal of 72519996 is 69991527.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 44296 + ... + 45903.

Almost surely, 2^72519996 is an apocalyptic number.

It is an amenable number.

72519996 is an abundant number, since it is smaller than the sum of its proper divisors (99220804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72519996 is a wasteful number, since it uses less digits than its factorization.

72519996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90273 (or 90271 counting only the distinct ones).

The product of its digits is 306180, while the sum is 48.

The square root of 72519996 is about 8515.8673075618. The cubic root of 72519996 is about 417.0158773406.

The spelling of 72519996 in words is "seventy-two million, five hundred nineteen thousand, nine hundred ninety-six".