74043892 has 12 divisors (see below), whose sum is σ = 139544356. Its totient is φ = 34174080.

The previous prime is 74043889. The next prime is 74043913. The reversal of 74043892 is 29834047.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 30536676 + 43507216 = 5526^2 + 6596^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 711909 + ... + 712012.

Almost surely, 2^74043892 is an apocalyptic number.

It is an amenable number.

74043892 is a deficient number, since it is larger than the sum of its proper divisors (65500464).

74043892 is a wasteful number, since it uses less digits than its factorization.

74043892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423938 (or 1423936 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 74043892 is about 8604.8760595374. The cubic root of 74043892 is about 419.9166350036.

The spelling of 74043892 in words is "seventy-four million, forty-three thousand, eight hundred ninety-two".