71305204 has 12 divisors (see below), whose sum is σ = 127439424. Its totient is φ = 34893944.

The previous prime is 71305183. The next prime is 71305211. The reversal of 71305204 is 40250317.

It is a congruent number.

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, 189454 + ... + 189829.

It is an arithmetic number, because the mean of its divisors is an integer number (10619952).

Almost surely, 2^71305204 is an apocalyptic number.

It is an amenable number.

71305204 is a deficient number, since it is larger than the sum of its proper divisors (56134220).

71305204 is a wasteful number, since it uses less digits than its factorization.

71305204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379334 (or 379332 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 71305204 is about 8444.2408776633. The cubic root of 71305204 is about 414.6742573761.

The spelling of 71305204 in words is "seventy-one million, three hundred five thousand, two hundred four".