173328673 has 4 divisors (see below), whose sum is σ = 198089920. Its totient is φ = 148567428.

The previous prime is 173328653. The next prime is 173328703. The reversal of 173328673 is 376823371.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 173328673 - 2¹⁷ = 173197601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (173328613) 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, 12380613 + ... + 12380626.

It is an arithmetic number, because the mean of its divisors is an integer number (49522480).

Almost surely, 2^173328673 is an apocalyptic number.

It is an amenable number.

173328673 is a deficient number, since it is larger than the sum of its proper divisors (24761247).

173328673 is an equidigital number, since it uses as much as digits as its factorization.

173328673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24761246.

The product of its digits is 127008, while the sum is 40.

The square root of 173328673 is about 13165.4347820344. The cubic root of 173328673 is about 557.5581101325.

The spelling of 173328673 in words is "one hundred seventy-three million, three hundred twenty-eight thousand, six hundred seventy-three".