72041604 has 24 divisors (see below), whose sum is σ = 168241920. Its totient is φ = 23993184.

The previous prime is 72041581. The next prime is 72041611. The reversal of 72041604 is 40614027.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19402 + ... + 22814.

It is an arithmetic number, because the mean of its divisors is an integer number (7010080).

Almost surely, 2^72041604 is an apocalyptic number.

It is an amenable number.

72041604 is an abundant number, since it is smaller than the sum of its proper divisors (96200316).

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

72041604 is a wasteful number, since it uses less digits than its factorization.

72041604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5179 (or 5177 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 72041604 is about 8487.7325594060. The cubic root of 72041604 is about 416.0968786328.

It can be divided in two parts, 720 and 41604, that added together give a palindrome (42324).

The spelling of 72041604 in words is "seventy-two million, forty-one thousand, six hundred four".