71797868 has 12 divisors (see below), whose sum is σ = 133037352. Its totient is φ = 33787200.

The previous prime is 71797849. The next prime is 71797877. The reversal of 71797868 is 86879717.

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, 527858 + ... + 527993.

It is an arithmetic number, because the mean of its divisors is an integer number (11086446).

Almost surely, 2^71797868 is an apocalyptic number.

It is an amenable number.

71797868 is a deficient number, since it is larger than the sum of its proper divisors (61239484).

71797868 is a wasteful number, since it uses less digits than its factorization.

71797868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055872 (or 1055870 counting only the distinct ones).

The product of its digits is 1185408, while the sum is 53.

The square root of 71797868 is about 8473.3622606377. The cubic root of 71797868 is about 415.6270927816.

The spelling of 71797868 in words is "seventy-one million, seven hundred ninety-seven thousand, eight hundred sixty-eight".