72473804 has 24 divisors (see below), whose sum is σ = 137319168. Its totient is φ = 33269760.

The previous prime is 72473803. The next prime is 72473831. The reversal of 72473804 is 40837427.

It is not an unprimeable number, because it can be changed into a prime (72473803) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6284 + ... + 13580.

It is an arithmetic number, because the mean of its divisors is an integer number (5721632).

Almost surely, 2^72473804 is an apocalyptic number.

It is an amenable number.

72473804 is a deficient number, since it is larger than the sum of its proper divisors (64845364).

72473804 is a wasteful number, since it uses less digits than its factorization.

72473804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7505 (or 7503 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 35.

The square root of 72473804 is about 8513.1547618964. The cubic root of 72473804 is about 416.9273183694.

The spelling of 72473804 in words is "seventy-two million, four hundred seventy-three thousand, eight hundred four".