72501168 has 30 divisors (see below), whose sum is σ = 187447204. Its totient is φ = 24147392.

The previous prime is 72501113. The next prime is 72501193. The reversal of 72501168 is 86110527.

It is a super-2 number, since 2×72501168² = 10512838722728448, which contains 22 as substring.

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 5 ways as a sum of consecutive naturals, for example, 58378 + ... + 59606.

Almost surely, 2^72501168 is an apocalyptic number.

It is an amenable number.

72501168 is an abundant number, since it is smaller than the sum of its proper divisors (114946036).

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

72501168 is an equidigital number, since it uses as much as digits as its factorization.

72501168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2469 (or 1234 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 72501168 is about 8514.7617700086. The cubic root of 72501168 is about 416.9797849755.

The spelling of 72501168 in words is "seventy-two million, five hundred one thousand, one hundred sixty-eight".