424679173 has 4 divisors (see below), whose sum is σ = 424853100. Its totient is φ = 424505248.

The previous prime is 424679149. The next prime is 424679207. The reversal of 424679173 is 371976424.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 267878689 + 156800484 = 16367^2 + 12522^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424679173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424679113) 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 3 ways as a sum of consecutive naturals, for example, 83248 + ... + 88201.

It is an arithmetic number, because the mean of its divisors is an integer number (106213275).

Almost surely, 2^424679173 is an apocalyptic number.

It is an amenable number.

424679173 is a deficient number, since it is larger than the sum of its proper divisors (173927).

424679173 is a wasteful number, since it uses less digits than its factorization.

424679173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173926.

The product of its digits is 254016, while the sum is 43.

The square root of 424679173 is about 20607.7454613551. The cubic root of 424679173 is about 751.6580638792.

The spelling of 424679173 in words is "four hundred twenty-four million, six hundred seventy-nine thousand, one hundred seventy-three".