73112625 has 96 divisors (see below), whose sum is σ = 143095680. Its totient is φ = 37195200.

The previous prime is 73112617. The next prime is 73112647. The reversal of 73112625 is 52621137.

It is a happy number.

73112625 is a `hidden beast` number, since 7 + 31 + 1 + 2 + 625 = 666.

It is not a de Polignac number, because 73112625 - 2³ = 73112617 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

Its product of digits (2520) is a multiple of the sum of its prime divisors (120).

It is a nialpdrome in base 15.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 880834 + ... + 880916.

It is an arithmetic number, because the mean of its divisors is an integer number (1490580).

Almost surely, 2^73112625 is an apocalyptic number.

73112625 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

73112625 is a deficient number, since it is larger than the sum of its proper divisors (69983055).

73112625 is an equidigital number, since it uses as much as digits as its factorization.

73112625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 120 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 73112625 is about 8550.5920847623. The cubic root of 73112625 is about 418.1487398293.

It can be divided in two parts, 73112 and 625, that added together give a palindrome (73737).

The spelling of 73112625 in words is "seventy-three million, one hundred twelve thousand, six hundred twenty-five".