74481384 has 16 divisors (see below), whose sum is σ = 186203520. Its totient is φ = 24827120.

The previous prime is 74481373. The next prime is 74481397. The reversal of 74481384 is 48318447.

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, 1551672 + ... + 1551719.

It is an arithmetic number, because the mean of its divisors is an integer number (11637720).

Almost surely, 2^74481384 is an apocalyptic number.

It is an amenable number.

74481384 is an abundant number, since it is smaller than the sum of its proper divisors (111722136).

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

74481384 is a wasteful number, since it uses less digits than its factorization.

74481384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3103400 (or 3103396 counting only the distinct ones).

The product of its digits is 86016, while the sum is 39.

The square root of 74481384 is about 8630.2597875151. The cubic root of 74481384 is about 420.7420442141.

It can be divided in two parts, 744 and 81384, that added together give a palindrome (82128).

The spelling of 74481384 in words is "seventy-four million, four hundred eighty-one thousand, three hundred eighty-four".