74693868 has 24 divisors (see below), whose sum is σ = 176494080. Its totient is φ = 24582480.

The previous prime is 74693867. The next prime is 74693887. The reversal of 74693868 is 86839647.

It is a self number, because there is not a number n which added to its sum of digits gives 74693868.

It is not an unprimeable number, because it can be changed into a prime (74693863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38448 + ... + 40343.

It is an arithmetic number, because the mean of its divisors is an integer number (7353920).

Almost surely, 2^74693868 is an apocalyptic number.

It is an amenable number.

74693868 is an abundant number, since it is smaller than the sum of its proper divisors (101800212).

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

74693868 is a wasteful number, since it uses less digits than its factorization.

74693868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78877 (or 78875 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 51.

The square root of 74693868 is about 8642.5614258737. The cubic root of 74693868 is about 421.1417685768.

The spelling of 74693868 in words is "seventy-four million, six hundred ninety-three thousand, eight hundred sixty-eight".