74430979806 has 16 divisors (see below), whose sum is σ = 148933933200. Its totient is φ = 24798331008.

The previous prime is 74430979783. The next prime is 74430979813. The reversal of 74430979806 is 60897903447.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2985451 + ... + 3010278.

It is an arithmetic number, because the mean of its divisors is an integer number (9308370825).

Almost surely, 2^74430979806 is an apocalyptic number.

74430979806 is an abundant number, since it is smaller than the sum of its proper divisors (74502953394).

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

74430979806 is a wasteful number, since it uses less digits than its factorization.

74430979806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5997803.

The product of its (nonzero) digits is 9144576, while the sum is 57.

The spelling of 74430979806 in words is "seventy-four billion, four hundred thirty million, nine hundred seventy-nine thousand, eight hundred six".