74196321 has 16 divisors (see below), whose sum is σ = 104054784. Its totient is φ = 46935504.

The previous prime is 74196319. The next prime is 74196373. The reversal of 74196321 is 12369147.

It is not a de Polignac number, because 74196321 - 2¹ = 74196319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74196301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4530 + ... + 12996.

It is an arithmetic number, because the mean of its divisors is an integer number (6503424).

Almost surely, 2^74196321 is an apocalyptic number.

It is an amenable number.

74196321 is a deficient number, since it is larger than the sum of its proper divisors (29858463).

74196321 is a wasteful number, since it uses less digits than its factorization.

74196321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8620.

The product of its digits is 9072, while the sum is 33.

The square root of 74196321 is about 8613.7286351498. The cubic root of 74196321 is about 420.2045885342.

The spelling of 74196321 in words is "seventy-four million, one hundred ninety-six thousand, three hundred twenty-one".