74422171923 has 64 divisors (see below), whose sum is σ = 120750497280. Its totient is φ = 40183603200.

The previous prime is 74422171921. The next prime is 74422171937. The reversal of 74422171923 is 32917122447.

It is not a de Polignac number, because 74422171923 - 2¹ = 74422171921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74422171921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18342111 + ... + 18346167.

It is an arithmetic number, because the mean of its divisors is an integer number (1886726520).

Almost surely, 2^74422171923 is an apocalyptic number.

74422171923 is a deficient number, since it is larger than the sum of its proper divisors (46328325357).

74422171923 is a wasteful number, since it uses less digits than its factorization.

74422171923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5828.

The product of its digits is 169344, while the sum is 42.

The spelling of 74422171923 in words is "seventy-four billion, four hundred twenty-two million, one hundred seventy-one thousand, nine hundred twenty-three".