74785806 has 24 divisors (see below), whose sum is σ = 166416744. Its totient is φ = 24254640.

The previous prime is 74785793. The next prime is 74785807. The reversal of 74785806 is 60858747.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74785807) 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 11 ways as a sum of consecutive naturals, for example, 55480 + ... + 56811.

It is an arithmetic number, because the mean of its divisors is an integer number (6934031).

Almost surely, 2^74785806 is an apocalyptic number.

74785806 is an abundant number, since it is smaller than the sum of its proper divisors (91630938).

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

74785806 is a wasteful number, since it uses less digits than its factorization.

74785806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112336 (or 112333 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The square root of 74785806 is about 8647.8786994268. The cubic root of 74785806 is about 421.3144871586.

The spelling of 74785806 in words is "seventy-four million, seven hundred eighty-five thousand, eight hundred six".