173450873 has 4 divisors (see below), whose sum is σ = 176039760. Its totient is φ = 170861988.

The previous prime is 173450839. The next prime is 173450897. The reversal of 173450873 is 378054371.

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, and also an emirpimes, since its reverse is a distinct semiprime: 378054371 = 73 ⋅5178827.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-173450873 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 (173450273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1294343 + ... + 1294476.

It is an arithmetic number, because the mean of its divisors is an integer number (44009940).

Almost surely, 2^173450873 is an apocalyptic number.

It is an amenable number.

173450873 is a deficient number, since it is larger than the sum of its proper divisors (2588887).

173450873 is an equidigital number, since it uses as much as digits as its factorization.

173450873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2588886.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 173450873 is about 13170.0749048743. The cubic root of 173450873 is about 557.6891090306.

The spelling of 173450873 in words is "one hundred seventy-three million, four hundred fifty thousand, eight hundred seventy-three".