74666664 has 32 divisors (see below), whose sum is σ = 207408000. Its totient is φ = 24888816.

The previous prime is 74666659. The next prime is 74666681. The reversal of 74666664 is 46666647.

It is a super-2 number, since 2×74666664² = 11150221425777792, which contains 22 as substring.

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, 172624 + ... + 173055.

It is an arithmetic number, because the mean of its divisors is an integer number (6481500).

Almost surely, 2^74666664 is an apocalyptic number.

It is an amenable number.

74666664 is an abundant number, since it is smaller than the sum of its proper divisors (132741336).

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

74666664 is a wasteful number, since it uses less digits than its factorization.

74666664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345694 (or 345684 counting only the distinct ones).

The product of its digits is 870912, while the sum is 45.

The square root of 74666664 is about 8640.9874435738. The cubic root of 74666664 is about 421.0906348308.

The spelling of 74666664 in words is "seventy-four million, six hundred sixty-six thousand, six hundred sixty-four".