68045759 has 2 divisors, whose sum is σ = 68045760. Its totient is φ = 68045758.

The previous prime is 68045749. The next prime is 68045771. The reversal of 68045759 is 95754086.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68045759 - 2⁴ = 68045743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68045729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34022879 + 34022880.

It is an arithmetic number, because the mean of its divisors is an integer number (34022880).

Almost surely, 2^68045759 is an apocalyptic number.

68045759 is a deficient number, since it is larger than the sum of its proper divisors (1).

68045759 is an equidigital number, since it uses as much as digits as its factorization.

68045759 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 68045759 is about 8248.9853315423. The cubic root of 68045759 is about 408.2570447882.

The spelling of 68045759 in words is "sixty-eight million, forty-five thousand, seven hundred fifty-nine".