68426759 has 2 divisors, whose sum is σ = 68426760. Its totient is φ = 68426758.

The previous prime is 68426753. The next prime is 68426767. The reversal of 68426759 is 95762486.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68426759 - 2²⁰ = 67378183 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68426753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34213379 + 34213380.

It is an arithmetic number, because the mean of its divisors is an integer number (34213380).

Almost surely, 2^68426759 is an apocalyptic number.

68426759 is a deficient number, since it is larger than the sum of its proper divisors (1).

68426759 is an equidigital number, since it uses as much as digits as its factorization.

68426759 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 47.

The square root of 68426759 is about 8272.0468446449. The cubic root of 68426759 is about 409.0175943874.

The spelling of 68426759 in words is "sixty-eight million, four hundred twenty-six thousand, seven hundred fifty-nine".