74887568 has 40 divisors (see below), whose sum is σ = 171179520. Its totient is φ = 31057920.

The previous prime is 74887559. The next prime is 74887573. The reversal of 74887568 is 86578847.

It is a happy 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, 7313 + ... + 14256.

It is an arithmetic number, because the mean of its divisors is an integer number (4279488).

Almost surely, 2^74887568 is an apocalyptic number.

It is an amenable number.

74887568 is an abundant number, since it is smaller than the sum of its proper divisors (96291952).

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

74887568 is a wasteful number, since it uses less digits than its factorization.

74887568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21615 (or 21609 counting only the distinct ones).

The product of its digits is 3010560, while the sum is 53.

The square root of 74887568 is about 8653.7603387198. The cubic root of 74887568 is about 421.5054965471.

The spelling of 74887568 in words is "seventy-four million, eight hundred eighty-seven thousand, five hundred sixty-eight".