68075017 has 2 divisors, whose sum is σ = 68075018. Its totient is φ = 68075016.

The previous prime is 68075003. The next prime is 68075027. The reversal of 68075017 is 71057086.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67174416 + 900601 = 8196^2 + 949^2 .

It is a cyclic number.

It is not a de Polignac number, because 68075017 - 2¹¹ = 68072969 is a prime.

It is not a weakly prime, because it can be changed into another prime (68075027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34037508 + 34037509.

It is an arithmetic number, because the mean of its divisors is an integer number (34037509).

Almost surely, 2^68075017 is an apocalyptic number.

It is an amenable number.

68075017 is a deficient number, since it is larger than the sum of its proper divisors (1).

68075017 is an equidigital number, since it uses as much as digits as its factorization.

68075017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 68075017 is about 8250.7585711860. The cubic root of 68075017 is about 408.3155498942.

The spelling of 68075017 in words is "sixty-eight million, seventy-five thousand, seventeen".