173349993 has 4 divisors (see below), whose sum is σ = 231133328. Its totient is φ = 115566660.

The previous prime is 173349949. The next prime is 173349997. The reversal of 173349993 is 399943371.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 173349993 - 2⁶ = 173349929 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (173349997) 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 3 ways as a sum of consecutive naturals, for example, 28891663 + ... + 28891668.

It is an arithmetic number, because the mean of its divisors is an integer number (57783332).

Almost surely, 2^173349993 is an apocalyptic number.

It is an amenable number.

173349993 is a deficient number, since it is larger than the sum of its proper divisors (57783335).

173349993 is an equidigital number, since it uses as much as digits as its factorization.

173349993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57783334.

The product of its digits is 551124, while the sum is 48.

The square root of 173349993 is about 13166.2444531461. The cubic root of 173349993 is about 557.5809696924.

The spelling of 173349993 in words is "one hundred seventy-three million, three hundred forty-nine thousand, nine hundred ninety-three".