71371256 has 16 divisors (see below), whose sum is σ = 145986840. Its totient is φ = 32441440.

The previous prime is 71371249. The next prime is 71371309. The reversal of 71371256 is 65217317.

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, 405431 + ... + 405606.

Almost surely, 2^71371256 is an apocalyptic number.

It is an amenable number.

71371256 is an abundant number, since it is smaller than the sum of its proper divisors (74615584).

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

71371256 is a wasteful number, since it uses less digits than its factorization.

71371256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811054 (or 811050 counting only the distinct ones).

The product of its digits is 8820, while the sum is 32.

The square root of 71371256 is about 8448.1510403165. The cubic root of 71371256 is about 414.8022593052.

The spelling of 71371256 in words is "seventy-one million, three hundred seventy-one thousand, two hundred fifty-six".