74756668 has 12 divisors (see below), whose sum is σ = 149513392. Its totient is φ = 32038560.

The previous prime is 74756663. The next prime is 74756699. The reversal of 74756668 is 86665747.

74756668 is an admirable number.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74756663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1334913 + ... + 1334968.

Almost surely, 2^74756668 is an apocalyptic number.

It is an amenable number.

74756668 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

74756668 is a wasteful number, since it uses less digits than its factorization.

74756668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2669892 (or 2669890 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 49.

The square root of 74756668 is about 8646.1938446926. The cubic root of 74756668 is about 421.2597626198.

The spelling of 74756668 in words is "seventy-four million, seven hundred fifty-six thousand, six hundred sixty-eight".