673200173 has 2 divisors, whose sum is σ = 673200174. Its totient is φ = 673200172.

The previous prime is 673200169. The next prime is 673200193. The reversal of 673200173 is 371002376.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 453775204 + 219424969 = 21302^2 + 14813^2 .

It is a cyclic number.

It is not a de Polignac number, because 673200173 - 2² = 673200169 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (673200103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336600086 + 336600087.

It is an arithmetic number, because the mean of its divisors is an integer number (336600087).

Almost surely, 2^673200173 is an apocalyptic number.

It is an amenable number.

673200173 is a deficient number, since it is larger than the sum of its proper divisors (1).

673200173 is an equidigital number, since it uses as much as digits as its factorization.

673200173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5292, while the sum is 29.

The square root of 673200173 is about 25946.1013063620. The cubic root of 673200173 is about 876.4249643462.

The spelling of 673200173 in words is "six hundred seventy-three million, two hundred thousand, one hundred seventy-three".