173724097 has 2 divisors, whose sum is σ = 173724098. Its totient is φ = 173724096.

The previous prime is 173724073. The next prime is 173724119. The reversal of 173724097 is 790427371.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 160174336 + 13549761 = 12656^2 + 3681^2 .

It is an emirp because it is prime and its reverse (790427371) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 173724097 - 2¹⁹ = 173199809 is a prime.

It is not a weakly prime, because it can be changed into another prime (173784097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86862048 + 86862049.

It is an arithmetic number, because the mean of its divisors is an integer number (86862049).

Almost surely, 2^173724097 is an apocalyptic number.

It is an amenable number.

173724097 is a deficient number, since it is larger than the sum of its proper divisors (1).

173724097 is an equidigital number, since it uses as much as digits as its factorization.

173724097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 74088, while the sum is 40.

The square root of 173724097 is about 13180.4437330463. The cubic root of 173724097 is about 557.9817838548.

The spelling of 173724097 in words is "one hundred seventy-three million, seven hundred twenty-four thousand, ninety-seven".