74124666 has 64 divisors (see below), whose sum is σ = 205378560. Its totient is φ = 19252080.

The previous prime is 74124649. The next prime is 74124703. The reversal of 74124666 is 66642147.

It is a super-2 number, since 2×74124666² = 10988932219223112, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 74124666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4756 + ... + 13071.

It is an arithmetic number, because the mean of its divisors is an integer number (3209040).

Almost surely, 2^74124666 is an apocalyptic number.

74124666 is an abundant number, since it is smaller than the sum of its proper divisors (131253894).

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

74124666 is a wasteful number, since it uses less digits than its factorization.

74124666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17856 (or 17850 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 74124666 is about 8609.5682818594. The cubic root of 74124666 is about 420.0692742876.

The spelling of 74124666 in words is "seventy-four million, one hundred twenty-four thousand, six hundred sixty-six".