173049073 has 4 divisors (see below), whose sum is σ = 173665188. Its totient is φ = 172432960.

The previous prime is 173049059. The next prime is 173049077. The reversal of 173049073 is 370940371.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 103693489 + 69355584 = 10183^2 + 8328^2 .

It is a cyclic number.

It is not a de Polignac number, because 173049073 - 2¹⁷ = 172918001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (173049077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 307636 + ... + 308197.

It is an arithmetic number, because the mean of its divisors is an integer number (43416297).

Almost surely, 2^173049073 is an apocalyptic number.

It is an amenable number.

173049073 is a deficient number, since it is larger than the sum of its proper divisors (616115).

173049073 is an equidigital number, since it uses as much as digits as its factorization.

173049073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616114.

The product of its (nonzero) digits is 15876, while the sum is 34.

The square root of 173049073 is about 13154.8117812457. The cubic root of 173049073 is about 557.2581460144.

The spelling of 173049073 in words is "one hundred seventy-three million, forty-nine thousand, seventy-three".