68997017 has 2 divisors, whose sum is σ = 68997018. Its totient is φ = 68997016.

The previous prime is 68997011. The next prime is 68997023. The reversal of 68997017 is 71079986.

It is a balanced prime because it is at equal distance from previous prime (68997011) and next prime (68997023).

It can be written as a sum of positive squares in only one way, i.e., 34762816 + 34234201 = 5896^2 + 5851^2 .

It is a cyclic number.

It is not a de Polignac number, because 68997017 - 2⁶ = 68996953 is a prime.

It is not a weakly prime, because it can be changed into another prime (68997011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34498508 + 34498509.

It is an arithmetic number, because the mean of its divisors is an integer number (34498509).

Almost surely, 2^68997017 is an apocalyptic number.

It is an amenable number.

68997017 is a deficient number, since it is larger than the sum of its proper divisors (1).

68997017 is an equidigital number, since it uses as much as digits as its factorization.

68997017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512, while the sum is 47.

The square root of 68997017 is about 8306.4443054775. Note that the first 3 decimals coincide. The cubic root of 68997017 is about 410.1506822710.

The spelling of 68997017 in words is "sixty-eight million, nine hundred ninety-seven thousand, seventeen".