68468017 has 2 divisors, whose sum is σ = 68468018. Its totient is φ = 68468016.

The previous prime is 68468009. The next prime is 68468041. The reversal of 68468017 is 71086486.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65141041 + 3326976 = 8071^2 + 1824^2 .

It is a cyclic number.

It is not a de Polignac number, because 68468017 - 2³ = 68468009 is a prime.

It is not a weakly prime, because it can be changed into another prime (68460017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34234008 + 34234009.

It is an arithmetic number, because the mean of its divisors is an integer number (34234009).

Almost surely, 2^68468017 is an apocalyptic number.

It is an amenable number.

68468017 is a deficient number, since it is larger than the sum of its proper divisors (1).

68468017 is an equidigital number, since it uses as much as digits as its factorization.

68468017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 68468017 is about 8274.5402893454. The cubic root of 68468017 is about 409.0997837611.

The spelling of 68468017 in words is "sixty-eight million, four hundred sixty-eight thousand, seventeen".