74342227 has 4 divisors (see below), whose sum is σ = 76071160. Its totient is φ = 72613296.

The previous prime is 74342189. The next prime is 74342291. The reversal of 74342227 is 72224347.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 74342227 - 2²³ = 65953619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74342027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 864402 + ... + 864487.

It is an arithmetic number, because the mean of its divisors is an integer number (19017790).

Almost surely, 2^74342227 is an apocalyptic number.

74342227 is a deficient number, since it is larger than the sum of its proper divisors (1728933).

74342227 is a wasteful number, since it uses less digits than its factorization.

74342227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1728932.

The product of its digits is 18816, while the sum is 31.

The square root of 74342227 is about 8622.1938623531. The cubic root of 74342227 is about 420.4798502770.

The spelling of 74342227 in words is "seventy-four million, three hundred forty-two thousand, two hundred twenty-seven".