71318304 has 36 divisors (see below), whose sum is σ = 202812246. Its totient is φ = 23772672.

The previous prime is 71318287. The next prime is 71318309. The reversal of 71318304 is 40381317.

It can be written as a sum of positive squares in only one way, i.e., 66389904 + 4928400 = 8148^2 + 2220^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (71318309) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 123529 + ... + 124104.

Almost surely, 2^71318304 is an apocalyptic number.

It is an amenable number.

71318304 is an abundant number, since it is smaller than the sum of its proper divisors (131493942).

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

71318304 is a wasteful number, since it uses less digits than its factorization.

71318304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247649 (or 247638 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 71318304 is about 8445.0165186339. The cubic root of 71318304 is about 414.6996501003.

The spelling of 71318304 in words is "seventy-one million, three hundred eighteen thousand, three hundred four".