74987568 has 30 divisors (see below), whose sum is σ = 209861444. Its totient is φ = 24995808.

The previous prime is 74987557. The next prime is 74987569. The reversal of 74987568 is 86578947.

74987568 is a `hidden beast` number, since 74 + 9 + 8 + 7 + 568 = 666.

It is not an unprimeable number, because it can be changed into a prime (74987569) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 260230 + ... + 260517.

Almost surely, 2^74987568 is an apocalyptic number.

It is an amenable number.

74987568 is an abundant number, since it is smaller than the sum of its proper divisors (134873876).

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

74987568 is a wasteful number, since it uses less digits than its factorization.

74987568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520761 (or 520752 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 54.

The square root of 74987568 is about 8659.5362462432. The cubic root of 74987568 is about 421.6930301302.

The spelling of 74987568 in words is "seventy-four million, nine hundred eighty-seven thousand, five hundred sixty-eight".