72038404 has 24 divisors (see below), whose sum is σ = 129927168. Its totient is φ = 34930560.

The previous prime is 72038399. The next prime is 72038413. The reversal of 72038404 is 40483027.

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, 19549 + ... + 22939.

It is an arithmetic number, because the mean of its divisors is an integer number (5413632).

Almost surely, 2^72038404 is an apocalyptic number.

It is an amenable number.

72038404 is a deficient number, since it is larger than the sum of its proper divisors (57888764).

72038404 is a wasteful number, since it uses less digits than its factorization.

72038404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3555 (or 3553 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 72038404 is about 8487.5440499593. The cubic root of 72038404 is about 416.0907177033.

The spelling of 72038404 in words is "seventy-two million, thirty-eight thousand, four hundred four".