71238512 has 10 divisors (see below), whose sum is σ = 138024648. Its totient is φ = 35619248.

The previous prime is 71238499. The next prime is 71238533. The reversal of 71238512 is 21583217.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2226188 + ... + 2226219.

Almost surely, 2^71238512 is an apocalyptic number.

It is an amenable number.

71238512 is a deficient number, since it is larger than the sum of its proper divisors (66786136).

71238512 is a wasteful number, since it uses less digits than its factorization.

71238512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4452415 (or 4452409 counting only the distinct ones).

The product of its digits is 3360, while the sum is 29.

The square root of 71238512 is about 8440.2909902444. The cubic root of 71238512 is about 414.5449349677.

The spelling of 71238512 in words is "seventy-one million, two hundred thirty-eight thousand, five hundred twelve".