74428194 has 8 divisors (see below), whose sum is σ = 148856400. Its totient is φ = 24809396.

The previous prime is 74428183. The next prime is 74428217. The reversal of 74428194 is 49182447.

It is a sphenic number, since it is the product of 3 distinct primes.

74428194 is an admirable 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, 6202344 + ... + 6202355.

It is an arithmetic number, because the mean of its divisors is an integer number (18607050).

Almost surely, 2^74428194 is an apocalyptic number.

74428194 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

74428194 is a wasteful number, since it uses less digits than its factorization.

74428194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12404704.

The product of its digits is 64512, while the sum is 39.

The square root of 74428194 is about 8627.1776381387. The cubic root of 74428194 is about 420.6418643770.

The spelling of 74428194 in words is "seventy-four million, four hundred twenty-eight thousand, one hundred ninety-four".