74394928 has 10 divisors (see below), whose sum is σ = 144140204. Its totient is φ = 37197456.

The previous prime is 74394923. The next prime is 74394959. The reversal of 74394928 is 82949347.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (74394923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2324826 + ... + 2324857.

Almost surely, 2^74394928 is an apocalyptic number.

It is an amenable number.

74394928 is a deficient number, since it is larger than the sum of its proper divisors (69745276).

74394928 is a wasteful number, since it uses less digits than its factorization.

74394928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4649691 (or 4649685 counting only the distinct ones).

The product of its digits is 435456, while the sum is 46.

The square root of 74394928 is about 8625.2494456682. The cubic root of 74394928 is about 420.5791858105.

The spelling of 74394928 in words is "seventy-four million, three hundred ninety-four thousand, nine hundred twenty-eight".