72471304 has 16 divisors (see below), whose sum is σ = 140267520. Its totient is φ = 35066640.

The previous prime is 72471283. The next prime is 72471317. The reversal of 72471304 is 40317427.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145864 + ... + 146359.

It is an arithmetic number, because the mean of its divisors is an integer number (8766720).

Almost surely, 2^72471304 is an apocalyptic number.

It is an amenable number.

72471304 is a deficient number, since it is larger than the sum of its proper divisors (67796216).

72471304 is a wasteful number, since it uses less digits than its factorization.

72471304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292260 (or 292256 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 72471304 is about 8513.0079290460. The cubic root of 72471304 is about 416.9225243141.

The spelling of 72471304 in words is "seventy-two million, four hundred seventy-one thousand, three hundred four".