68803717 has 2 divisors, whose sum is σ = 68803718. Its totient is φ = 68803716.

The previous prime is 68803697. The next prime is 68803759. The reversal of 68803717 is 71730886.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61481281 + 7322436 = 7841^2 + 2706^2 .

It is a cyclic number.

It is not a de Polignac number, because 68803717 - 2⁷ = 68803589 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68803717.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68803417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34401858 + 34401859.

It is an arithmetic number, because the mean of its divisors is an integer number (34401859).

Almost surely, 2^68803717 is an apocalyptic number.

It is an amenable number.

68803717 is a deficient number, since it is larger than the sum of its proper divisors (1).

68803717 is an equidigital number, since it uses as much as digits as its factorization.

68803717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 68803717 is about 8294.8006003761. The cubic root of 68803717 is about 409.7673020229.

The spelling of 68803717 in words is "sixty-eight million, eight hundred three thousand, seven hundred seventeen".