74736668 has 12 divisors (see below), whose sum is σ = 130960872. Its totient is φ = 37319280.

The previous prime is 74736661. The next prime is 74736703. The reversal of 74736668 is 86663747.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74736661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8723 + ... + 15018.

It is an arithmetic number, because the mean of its divisors is an integer number (10913406).

Almost surely, 2^74736668 is an apocalyptic number.

It is an amenable number.

74736668 is a deficient number, since it is larger than the sum of its proper divisors (56224204).

74736668 is a wasteful number, since it uses less digits than its factorization.

74736668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24532 (or 24530 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 47.

The square root of 74736668 is about 8645.0371890467. The cubic root of 74736668 is about 421.2221920729. Note that the first 3 decimals are identical.

It can be divided in two parts, 7473 and 6668, that added together give a palindrome (14141).

The spelling of 74736668 in words is "seventy-four million, seven hundred thirty-six thousand, six hundred sixty-eight".