74985192 has 24 divisors (see below), whose sum is σ = 203085090. Its totient is φ = 24995040.

The previous prime is 74985179. The next prime is 74985203. The reversal of 74985192 is 29158947.

It can be written as a sum of positive squares in only one way, i.e., 45239076 + 29746116 = 6726^2 + 5454^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 520659 + ... + 520802.

Almost surely, 2^74985192 is an apocalyptic number.

74985192 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

74985192 is an abundant number, since it is smaller than the sum of its proper divisors (128099898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74985192 is a wasteful number, since it uses less digits than its factorization.

74985192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041473 (or 1041466 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 74985192 is about 8659.3990553618. The cubic root of 74985192 is about 421.6885762665.

The spelling of 74985192 in words is "seventy-four million, nine hundred eighty-five thousand, one hundred ninety-two".