68276917 has 2 divisors, whose sum is σ = 68276918. Its totient is φ = 68276916.

The previous prime is 68276893. The next prime is 68276921. The reversal of 68276917 is 71967286.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62583921 + 5692996 = 7911^2 + 2386^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68276917 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68276977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34138458 + 34138459.

It is an arithmetic number, because the mean of its divisors is an integer number (34138459).

Almost surely, 2^68276917 is an apocalyptic number.

It is an amenable number.

68276917 is a deficient number, since it is larger than the sum of its proper divisors (1).

68276917 is an equidigital number, since it uses as much as digits as its factorization.

68276917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 254016, while the sum is 46.

The square root of 68276917 is about 8262.9847512869. The cubic root of 68276917 is about 408.7188184589.

The spelling of 68276917 in words is "sixty-eight million, two hundred seventy-six thousand, nine hundred seventeen".