71879568 has 40 divisors (see below), whose sum is σ = 186514848. Its totient is φ = 23853312.

The previous prime is 71879557. The next prime is 71879611. The reversal of 71879568 is 86597817.

It is a self number, because there is not a number n which added to its sum of digits gives 71879568.

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, 7971 + ... + 14397.

Almost surely, 2^71879568 is an apocalyptic number.

It is an amenable number.

71879568 is an abundant number, since it is smaller than the sum of its proper divisors (114635280).

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

71879568 is a wasteful number, since it uses less digits than its factorization.

71879568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6671 (or 6665 counting only the distinct ones).

The product of its digits is 846720, while the sum is 51.

The square root of 71879568 is about 8478.1818805685. The cubic root of 71879568 is about 415.7846827054.

The spelling of 71879568 in words is "seventy-one million, eight hundred seventy-nine thousand, five hundred sixty-eight".