72425604 has 24 divisors (see below), whose sum is σ = 169706880. Its totient is φ = 24039904.

The previous prime is 72425603. The next prime is 72425621. The reversal of 72425604 is 40652427.

It is a super-2 number, since 2×72425604² = 10490936229529632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72425603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9759 + ... + 15494.

It is an arithmetic number, because the mean of its divisors is an integer number (7071120).

Almost surely, 2^72425604 is an apocalyptic number.

It is an amenable number.

72425604 is an abundant number, since it is smaller than the sum of its proper divisors (97281276).

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

72425604 is a wasteful number, since it uses less digits than its factorization.

72425604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25499 (or 25497 counting only the distinct ones).

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

The square root of 72425604 is about 8510.3233781097. The cubic root of 72425604 is about 416.8348695473.

The spelling of 72425604 in words is "seventy-two million, four hundred twenty-five thousand, six hundred four".