74481392 has 20 divisors (see below), whose sum is σ = 144473640. Its totient is φ = 37197888.

The previous prime is 74481373. The next prime is 74481397. The reversal of 74481392 is 29318447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74481397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15359 + ... + 19617.

It is an arithmetic number, because the mean of its divisors is an integer number (7223682).

Almost surely, 2^74481392 is an apocalyptic number.

It is an amenable number.

74481392 is a deficient number, since it is larger than the sum of its proper divisors (69992248).

74481392 is a wasteful number, since it uses less digits than its factorization.

74481392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5360 (or 5354 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 74481392 is about 8630.2602510005. The cubic root of 74481392 is about 420.7420592780.

The spelling of 74481392 in words is "seventy-four million, four hundred eighty-one thousand, three hundred ninety-two".