68854717 has 2 divisors, whose sum is σ = 68854718. Its totient is φ = 68854716.

The previous prime is 68854699. The next prime is 68854733. The reversal of 68854717 is 71745886.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68459076 + 395641 = 8274^2 + 629^2 .

It is a cyclic number.

It is not a de Polignac number, because 68854717 - 2⁷ = 68854589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68854417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34427358 + 34427359.

It is an arithmetic number, because the mean of its divisors is an integer number (34427359).

Almost surely, 2^68854717 is an apocalyptic number.

It is an amenable number.

68854717 is a deficient number, since it is larger than the sum of its proper divisors (1).

68854717 is an equidigital number, since it uses as much as digits as its factorization.

68854717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 376320, while the sum is 46.

The square root of 68854717 is about 8297.8742458536. The cubic root of 68854717 is about 409.8685221891.

The spelling of 68854717 in words is "sixty-eight million, eight hundred fifty-four thousand, seven hundred seventeen".