71079512 has 32 divisors (see below), whose sum is σ = 152889120. Its totient is φ = 30347520.

The previous prime is 71079469. The next prime is 71079521. The reversal of 71079512 is 21597017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13478 + ... + 17994.

It is an arithmetic number, because the mean of its divisors is an integer number (4777785).

Almost surely, 2^71079512 is an apocalyptic number.

It is an amenable number.

71079512 is an abundant number, since it is smaller than the sum of its proper divisors (81809608).

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

71079512 is a wasteful number, since it uses less digits than its factorization.

71079512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4811 (or 4807 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 32.

The square root of 71079512 is about 8430.8666221214. The cubic root of 71079512 is about 414.2362922529.

The spelling of 71079512 in words is "seventy-one million, seventy-nine thousand, five hundred twelve".