172710029 has 2 divisors, whose sum is σ = 172710030. Its totient is φ = 172710028.

The previous prime is 172710017. The next prime is 172710053. The reversal of 172710029 is 920017271.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 170824900 + 1885129 = 13070^2 + 1373^2 .

It is a cyclic number.

It is not a de Polignac number, because 172710029 - 2²⁰ = 171661453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 172709983 and 172710010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172710079) 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, 86355014 + 86355015.

It is an arithmetic number, because the mean of its divisors is an integer number (86355015).

Almost surely, 2^172710029 is an apocalyptic number.

It is an amenable number.

172710029 is a deficient number, since it is larger than the sum of its proper divisors (1).

172710029 is an equidigital number, since it uses as much as digits as its factorization.

172710029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764, while the sum is 29.

The square root of 172710029 is about 13141.9187716254. The cubic root of 172710029 is about 556.8939746428.

The spelling of 172710029 in words is "one hundred seventy-two million, seven hundred ten thousand, twenty-nine".