173342985 has 32 divisors (see below), whose sum is σ = 295680000. Its totient is φ = 86463936.

The previous prime is 173342971. The next prime is 173342987. The reversal of 173342985 is 589243371.

It is not a de Polignac number, because 173342985 - 2⁴ = 173342969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (173342987) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18666 + ... + 26364.

It is an arithmetic number, because the mean of its divisors is an integer number (9240000).

Almost surely, 2^173342985 is an apocalyptic number.

173342985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

173342985 is a deficient number, since it is larger than the sum of its proper divisors (122337015).

173342985 is a wasteful number, since it uses less digits than its factorization.

173342985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7805.

The product of its digits is 181440, while the sum is 42.

The square root of 173342985 is about 13165.9783153399. The cubic root of 173342985 is about 557.5734558375.

The spelling of 173342985 in words is "one hundred seventy-three million, three hundred forty-two thousand, nine hundred eighty-five".