74785422 has 16 divisors (see below), whose sum is σ = 149690880. Its totient is φ = 24908472.

The previous prime is 74785421. The next prime is 74785427. The reversal of 74785422 is 22458747.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74785421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4483 + ... + 13025.

It is an arithmetic number, because the mean of its divisors is an integer number (9355680).

Almost surely, 2^74785422 is an apocalyptic number.

74785422 is an abundant number, since it is smaller than the sum of its proper divisors (74905458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74785422 is a wasteful number, since it uses less digits than its factorization.

74785422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10007.

The product of its digits is 125440, while the sum is 39.

The square root of 74785422 is about 8647.8564974218. The cubic root of 74785422 is about 421.3137660546.

The spelling of 74785422 in words is "seventy-four million, seven hundred eighty-five thousand, four hundred twenty-two".