72604425 has 48 divisors (see below), whose sum is σ = 125706240. Its totient is φ = 36939840.

The previous prime is 72604417. The next prime is 72604439. The reversal of 72604425 is 52440627.

It is not a de Polignac number, because 72604425 - 2³ = 72604417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72604392 and 72604401.

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 47 ways as a sum of consecutive naturals, for example, 151336 + ... + 151814.

It is an arithmetic number, because the mean of its divisors is an integer number (2618880).

Almost surely, 2^72604425 is an apocalyptic number.

72604425 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

72604425 is a deficient number, since it is larger than the sum of its proper divisors (53101815).

72604425 is a wasteful number, since it uses less digits than its factorization.

72604425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582 (or 577 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 72604425 is about 8520.8230236286. The cubic root of 72604425 is about 417.1776468797.

The spelling of 72604425 in words is "seventy-two million, six hundred four thousand, four hundred twenty-five".