173416973 has 2 divisors, whose sum is σ = 173416974. Its totient is φ = 173416972.

The previous prime is 173416967. The next prime is 173416993. The reversal of 173416973 is 379614371.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 153685609 + 19731364 = 12397^2 + 4442^2 .

It is a cyclic number.

It is not a de Polignac number, because 173416973 - 2²⁴ = 156639757 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 173416973.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (173416913) 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 as a sum of consecutive naturals, namely, 86708486 + 86708487.

It is an arithmetic number, because the mean of its divisors is an integer number (86708487).

Almost surely, 2^173416973 is an apocalyptic number.

It is an amenable number.

173416973 is a deficient number, since it is larger than the sum of its proper divisors (1).

173416973 is an equidigital number, since it uses as much as digits as its factorization.

173416973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 95256, while the sum is 41.

The square root of 173416973 is about 13168.7878333581. The cubic root of 173416973 is about 557.6527742608.

The spelling of 173416973 in words is "one hundred seventy-three million, four hundred sixteen thousand, nine hundred seventy-three".