74422173 has 8 divisors (see below), whose sum is σ = 113405248. Its totient is φ = 42526944.

The previous prime is 74422171. The next prime is 74422189. The reversal of 74422173 is 37122447.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 74422173 - 2¹ = 74422171 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74422173.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74422171) 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 7 ways as a sum of consecutive naturals, for example, 1771936 + ... + 1771977.

It is an arithmetic number, because the mean of its divisors is an integer number (14175656).

Almost surely, 2^74422173 is an apocalyptic number.

It is an amenable number.

74422173 is a deficient number, since it is larger than the sum of its proper divisors (38983075).

74422173 is a wasteful number, since it uses less digits than its factorization.

74422173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3543923.

The product of its digits is 9408, while the sum is 30.

The square root of 74422173 is about 8626.8286757070. The cubic root of 74422173 is about 420.6305212160.

The spelling of 74422173 in words is "seventy-four million, four hundred twenty-two thousand, one hundred seventy-three".