74986312 has 32 divisors (see below), whose sum is σ = 148449600. Its totient is φ = 35411904.

The previous prime is 74986283. The next prime is 74986313. The reversal of 74986312 is 21368947.

It is a super-2 number, since 2×74986312² = 11245893974722688, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (74986313) 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 7 ways as a sum of consecutive naturals, for example, 73518 + ... + 74530.

It is an arithmetic number, because the mean of its divisors is an integer number (4639050).

Almost surely, 2^74986312 is an apocalyptic number.

It is an amenable number.

74986312 is a deficient number, since it is larger than the sum of its proper divisors (73463288).

74986312 is a wasteful number, since it uses less digits than its factorization.

74986312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525 (or 1521 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 74986312 is about 8659.4637247349. The cubic root of 74986312 is about 421.6906757426.

The spelling of 74986312 in words is "seventy-four million, nine hundred eighty-six thousand, three hundred twelve".