74245939179 has 32 divisors (see below), whose sum is σ = 105899189760. Its totient is φ = 46107532800.

The previous prime is 74245939177. The next prime is 74245939189. The reversal of 74245939179 is 97193954247.

It is not a de Polignac number, because 74245939179 - 2¹ = 74245939177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74245939177) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1928682 + ... + 1966800.

It is an arithmetic number, because the mean of its divisors is an integer number (3309349680).

Almost surely, 2^74245939179 is an apocalyptic number.

74245939179 is a deficient number, since it is larger than the sum of its proper divisors (31653250581).

74245939179 is a wasteful number, since it uses less digits than its factorization.

74245939179 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38531.

The product of its digits is 17146080, while the sum is 60.

The spelling of 74245939179 in words is "seventy-four billion, two hundred forty-five million, nine hundred thirty-nine thousand, one hundred seventy-nine".