74493384 has 32 divisors (see below), whose sum is σ = 212838720. Its totient is φ = 21283776.

The previous prime is 74493379. The next prime is 74493401. The reversal of 74493384 is 48339447.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221539 + ... + 221874.

It is an arithmetic number, because the mean of its divisors is an integer number (6651210).

Almost surely, 2^74493384 is an apocalyptic number.

It is an amenable number.

74493384 is an abundant number, since it is smaller than the sum of its proper divisors (138345336).

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

74493384 is a wasteful number, since it uses less digits than its factorization.

74493384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443429 (or 443425 counting only the distinct ones).

The product of its digits is 290304, while the sum is 42.

The square root of 74493384 is about 8630.9549877172. The cubic root of 74493384 is about 420.7646388238.

The spelling of 74493384 in words is "seventy-four million, four hundred ninety-three thousand, three hundred eighty-four".