68370017 has 2 divisors, whose sum is σ = 68370018. Its totient is φ = 68370016.

The previous prime is 68369993. The next prime is 68370047. The reversal of 68370017 is 71007386.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58232161 + 10137856 = 7631^2 + 3184^2 .

It is a cyclic number.

It is not a de Polignac number, because 68370017 - 2⁶ = 68369953 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (68370047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34185008 + 34185009.

It is an arithmetic number, because the mean of its divisors is an integer number (34185009).

Almost surely, 2^68370017 is an apocalyptic number.

It is an amenable number.

68370017 is a deficient number, since it is larger than the sum of its proper divisors (1).

68370017 is an equidigital number, since it uses as much as digits as its factorization.

68370017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 68370017 is about 8268.6163896991. The cubic root of 68370017 is about 408.9045056156.

The spelling of 68370017 in words is "sixty-eight million, three hundred seventy thousand, seventeen".