68236117 has 2 divisors, whose sum is σ = 68236118. Its totient is φ = 68236116.

The previous prime is 68236099. The next prime is 68236121. The reversal of 68236117 is 71163286.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65383396 + 2852721 = 8086^2 + 1689^2 .

It is a cyclic number.

It is not a de Polignac number, because 68236117 - 2¹⁹ = 67711829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68236127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34118058 + 34118059.

It is an arithmetic number, because the mean of its divisors is an integer number (34118059).

Almost surely, 2^68236117 is an apocalyptic number.

It is an amenable number.

68236117 is a deficient number, since it is larger than the sum of its proper divisors (1).

68236117 is an equidigital number, since it uses as much as digits as its factorization.

68236117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 34.

The square root of 68236117 is about 8260.5155408122. The cubic root of 68236117 is about 408.6373900091.

The spelling of 68236117 in words is "sixty-eight million, two hundred thirty-six thousand, one hundred seventeen".