74685316 has 12 divisors (see below), whose sum is σ = 131856732. Its totient is φ = 37011968.

The previous prime is 74685307. The next prime is 74685319. The reversal of 74685316 is 61358647.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 15241216 + 59444100 = 3904^2 + 7710^2 .

It is not an unprimeable number, because it can be changed into a prime (74685319) 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, 82165 + ... + 83068.

It is an arithmetic number, because the mean of its divisors is an integer number (10988061).

Almost surely, 2^74685316 is an apocalyptic number.

It is an amenable number.

74685316 is a deficient number, since it is larger than the sum of its proper divisors (57171416).

74685316 is a wasteful number, since it uses less digits than its factorization.

74685316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165350 (or 165348 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 74685316 is about 8642.0666509811. The cubic root of 74685316 is about 421.1256952276.

The spelling of 74685316 in words is "seventy-four million, six hundred eighty-five thousand, three hundred sixteen".