68173271 has 2 divisors, whose sum is σ = 68173272. Its totient is φ = 68173270.

The previous prime is 68173177. The next prime is 68173279. The reversal of 68173271 is 17237186.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68173271 - 2²⁶ = 1064407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68173279) 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, 34086635 + 34086636.

It is an arithmetic number, because the mean of its divisors is an integer number (34086636).

Almost surely, 2^68173271 is an apocalyptic number.

68173271 is a deficient number, since it is larger than the sum of its proper divisors (1).

68173271 is an equidigital number, since it uses as much as digits as its factorization.

68173271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 35.

The square root of 68173271 is about 8256.7106646654. The cubic root of 68173271 is about 408.5118987259.

The spelling of 68173271 in words is "sixty-eight million, one hundred seventy-three thousand, two hundred seventy-one".