173490799 has 2 divisors, whose sum is σ = 173490800. Its totient is φ = 173490798.

The previous prime is 173490781. The next prime is 173490827. The reversal of 173490799 is 997094371.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 173490799 - 2¹¹ = 173488751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (173490749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86745399 + 86745400.

It is an arithmetic number, because the mean of its divisors is an integer number (86745400).

Almost surely, 2^173490799 is an apocalyptic number.

173490799 is a deficient number, since it is larger than the sum of its proper divisors (1).

173490799 is an equidigital number, since it uses as much as digits as its factorization.

173490799 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 428652, while the sum is 49.

The square root of 173490799 is about 13171.5906025051. The cubic root of 173490799 is about 557.7318965295.

The spelling of 173490799 in words is "one hundred seventy-three million, four hundred ninety thousand, seven hundred ninety-nine".