74399227 has 16 divisors (see below), whose sum is σ = 90408960. Its totient is φ = 59840352.

The previous prime is 74399219. The next prime is 74399243. The reversal of 74399227 is 72299347.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 74399227 - 2³ = 74399219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74399207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4174 + ... + 12892.

It is an arithmetic number, because the mean of its divisors is an integer number (5650560).

Almost surely, 2^74399227 is an apocalyptic number.

74399227 is a deficient number, since it is larger than the sum of its proper divisors (16009733).

74399227 is a wasteful number, since it uses less digits than its factorization.

74399227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8802.

The product of its digits is 190512, while the sum is 43.

The square root of 74399227 is about 8625.4986522519. The cubic root of 74399227 is about 420.5872868784.

The spelling of 74399227 in words is "seventy-four million, three hundred ninety-nine thousand, two hundred twenty-seven".