74422357 has 4 divisors (see below), whose sum is σ = 74572000. Its totient is φ = 74272716.

The previous prime is 74422349. The next prime is 74422363. The reversal of 74422357 is 75322447.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 74422357 - 2³ = 74422349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74422307) 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, 74073 + ... + 75070.

It is an arithmetic number, because the mean of its divisors is an integer number (18643000).

Almost surely, 2^74422357 is an apocalyptic number.

It is an amenable number.

74422357 is a deficient number, since it is larger than the sum of its proper divisors (149643).

74422357 is a wasteful number, since it uses less digits than its factorization.

74422357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149642.

The product of its digits is 47040, while the sum is 34.

The square root of 74422357 is about 8626.8393401060. The cubic root of 74422357 is about 420.6308678687.

The spelling of 74422357 in words is "seventy-four million, four hundred twenty-two thousand, three hundred fifty-seven".