74647868 has 12 divisors (see below), whose sum is σ = 130815720. Its totient is φ = 37271952.

The previous prime is 74647843. The next prime is 74647873. The reversal of 74647868 is 86874647.

It is a congruent number.

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, 9671 + ... + 15582.

It is an arithmetic number, because the mean of its divisors is an integer number (10901310).

Almost surely, 2^74647868 is an apocalyptic number.

It is an amenable number.

74647868 is a deficient number, since it is larger than the sum of its proper divisors (56167852).

74647868 is a wasteful number, since it uses less digits than its factorization.

74647868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25996 (or 25994 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 50.

The square root of 74647868 is about 8639.8997679371. The cubic root of 74647868 is about 421.0552978482.

The spelling of 74647868 in words is "seventy-four million, six hundred forty-seven thousand, eight hundred sixty-eight".