472242173 has 8 divisors (see below), whose sum is σ = 513235800. Its totient is φ = 431915328.

The previous prime is 472242163. The next prime is 472242181. The reversal of 472242173 is 371242274.

It can be written as a sum of positive squares in 4 ways, for example, as 7279204 + 464962969 = 2698^2 + 21563^2 .

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

It is not a de Polignac number, because 472242173 - 2⁴ = 472242157 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 (472242103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165218 + ... + 168051.

It is an arithmetic number, because the mean of its divisors is an integer number (64154475).

Almost surely, 2^472242173 is an apocalyptic number.

It is an amenable number.

472242173 is a deficient number, since it is larger than the sum of its proper divisors (40993627).

472242173 is a wasteful number, since it uses less digits than its factorization.

472242173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333391.

The product of its digits is 18816, while the sum is 32.

The square root of 472242173 is about 21731.1337256021. The cubic root of 472242173 is about 778.7324212293.

The spelling of 472242173 in words is "four hundred seventy-two million, two hundred forty-two thousand, one hundred seventy-three".