71138596 has 6 divisors (see below), whose sum is σ = 124492550. Its totient is φ = 35569296.

The previous prime is 71138581. The next prime is 71138623. The reversal of 71138596 is 69583117.

It can be written as a sum of positive squares in only one way, i.e., 70392100 + 746496 = 8390^2 + 864^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8892321 + ... + 8892328.

Almost surely, 2^71138596 is an apocalyptic number.

It is an amenable number.

71138596 is a deficient number, since it is larger than the sum of its proper divisors (53353954).

71138596 is a wasteful number, since it uses less digits than its factorization.

71138596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17784653 (or 17784651 counting only the distinct ones).

The product of its digits is 45360, while the sum is 40.

The square root of 71138596 is about 8434.3699231181. The cubic root of 71138596 is about 414.3510367979.

The spelling of 71138596 in words is "seventy-one million, one hundred thirty-eight thousand, five hundred ninety-six".