71704372 has 12 divisors (see below), whose sum is σ = 128874340. Its totient is φ = 34883136.

The previous prime is 71704343. The next prime is 71704387. The reversal of 71704372 is 27340717.

It can be written as a sum of positive squares in 2 ways, for example, as 66487716 + 5216656 = 8154^2 + 2284^2 .

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, 242097 + ... + 242392.

Almost surely, 2^71704372 is an apocalyptic number.

It is an amenable number.

71704372 is a deficient number, since it is larger than the sum of its proper divisors (57169968).

71704372 is a wasteful number, since it uses less digits than its factorization.

71704372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484530 (or 484528 counting only the distinct ones).

The product of its (nonzero) digits is 8232, while the sum is 31.

The square root of 71704372 is about 8467.8434090387. The cubic root of 71704372 is about 415.4466029717.

The spelling of 71704372 in words is "seventy-one million, seven hundred four thousand, three hundred seventy-two".