74493892 has 18 divisors (see below), whose sum is σ = 143293934. Its totient is φ = 33860640.

The previous prime is 74493877. The next prime is 74493907. The reversal of 74493892 is 29839447.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (74493877) and next prime (74493907).

It can be written as a sum of positive squares in only one way, i.e., 45914176 + 28579716 = 6776^2 + 5346^2 .

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, 76473 + ... + 77440.

Almost surely, 2^74493892 is an apocalyptic number.

It is an amenable number.

74493892 is a deficient number, since it is larger than the sum of its proper divisors (68800042).

74493892 is a wasteful number, since it uses less digits than its factorization.

74493892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153939 (or 153926 counting only the distinct ones).

The product of its digits is 435456, while the sum is 46.

The square root of 74493892 is about 8630.9844166236. The cubic root of 74493892 is about 420.7655952754.

The spelling of 74493892 in words is "seventy-four million, four hundred ninety-three thousand, eight hundred ninety-two".