172670033 has 2 divisors, whose sum is σ = 172670034. Its totient is φ = 172670032.

The previous prime is 172670027. The next prime is 172670041. The reversal of 172670033 is 330076271.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127080529 + 45589504 = 11273^2 + 6752^2 .

It is a cyclic number.

It is not a de Polignac number, because 172670033 - 2¹⁰ = 172669009 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 172669978 and 172670005.

It is not a weakly prime, because it can be changed into another prime (172670053) 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, 86335016 + 86335017.

It is an arithmetic number, because the mean of its divisors is an integer number (86335017).

Almost surely, 2^172670033 is an apocalyptic number.

It is an amenable number.

172670033 is a deficient number, since it is larger than the sum of its proper divisors (1).

172670033 is an equidigital number, since it uses as much as digits as its factorization.

172670033 is an odious number, because the sum of its binary digits is odd.

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

The square root of 172670033 is about 13140.3969879148. The cubic root of 172670033 is about 556.8509830244.

The spelling of 172670033 in words is "one hundred seventy-two million, six hundred seventy thousand, thirty-three".