74668868 has 6 divisors (see below), whose sum is σ = 130670526. Its totient is φ = 37334432.

The previous prime is 74668861. The next prime is 74668889. The reversal of 74668868 is 86886647.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 74615044 + 53824 = 8638^2 + 232^2 .

It is not an unprimeable number, because it can be changed into a prime (74668861) 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 as a sum of consecutive naturals, namely, 9333605 + ... + 9333612.

It is an arithmetic number, because the mean of its divisors is an integer number (21778421).

Almost surely, 2^74668868 is an apocalyptic number.

It is an amenable number.

74668868 is a deficient number, since it is larger than the sum of its proper divisors (56001658).

74668868 is a wasteful number, since it uses less digits than its factorization.

74668868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18667221 (or 18667219 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 53.

The square root of 74668868 is about 8641.1149743537. The cubic root of 74668868 is about 421.0947780212.

The spelling of 74668868 in words is "seventy-four million, six hundred sixty-eight thousand, eight hundred sixty-eight".