74666684 has 12 divisors (see below), whose sum is σ = 132809208. Its totient is φ = 36721200.

The previous prime is 74666681. The next prime is 74666701. The reversal of 74666684 is 48666647.

It is a super-2 number, since 2×74666684² = 11150227399111712, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74666681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152762 + ... + 153249.

It is an arithmetic number, because the mean of its divisors is an integer number (11067434).

Almost surely, 2^74666684 is an apocalyptic number.

It is an amenable number.

74666684 is a deficient number, since it is larger than the sum of its proper divisors (58142524).

74666684 is a wasteful number, since it uses less digits than its factorization.

74666684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306076 (or 306074 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 47.

The square root of 74666684 is about 8640.9886008489. The cubic root of 74666684 is about 421.0906724282.

The spelling of 74666684 in words is "seventy-four million, six hundred sixty-six thousand, six hundred eighty-four".