173409117 has 8 divisors (see below), whose sum is σ = 264242496. Its totient is φ = 99090912.

The previous prime is 173409109. The next prime is 173409127. The reversal of 173409117 is 711904371.

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

It is not a de Polignac number, because 173409117 - 2³ = 173409109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173409127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4128768 + ... + 4128809.

It is an arithmetic number, because the mean of its divisors is an integer number (33030312).

Almost surely, 2^173409117 is an apocalyptic number.

It is an amenable number.

173409117 is a deficient number, since it is larger than the sum of its proper divisors (90833379).

173409117 is an equidigital number, since it uses as much as digits as its factorization.

173409117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8257587.

The product of its (nonzero) digits is 5292, while the sum is 33.

The square root of 173409117 is about 13168.4895489194. The cubic root of 173409117 is about 557.6443533505.

The spelling of 173409117 in words is "one hundred seventy-three million, four hundred nine thousand, one hundred seventeen".