74856868 has 6 divisors (see below), whose sum is σ = 130999526. Its totient is φ = 37428432.

The previous prime is 74856779. The next prime is 74856869. The reversal of 74856868 is 86865847.

It can be written as a sum of positive squares in only one way, i.e., 43586404 + 31270464 = 6602^2 + 5592^2 .

It is not an unprimeable number, because it can be changed into a prime (74856869) 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, 9357105 + ... + 9357112.

Almost surely, 2^74856868 is an apocalyptic number.

It is an amenable number.

74856868 is a deficient number, since it is larger than the sum of its proper divisors (56142658).

74856868 is a wasteful number, since it uses less digits than its factorization.

74856868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18714221 (or 18714219 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 52.

The square root of 74856868 is about 8651.9863615242. The cubic root of 74856868 is about 421.4478902458.

The spelling of 74856868 in words is "seventy-four million, eight hundred fifty-six thousand, eight hundred sixty-eight".