68444759 has 2 divisors, whose sum is σ = 68444760. Its totient is φ = 68444758.

The previous prime is 68444741. The next prime is 68444791. The reversal of 68444759 is 95744486.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68444759 - 2⁸ = 68444503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68441759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34222379 + 34222380.

It is an arithmetic number, because the mean of its divisors is an integer number (34222380).

Almost surely, 2^68444759 is an apocalyptic number.

68444759 is a deficient number, since it is larger than the sum of its proper divisors (1).

68444759 is an equidigital number, since it uses as much as digits as its factorization.

68444759 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 967680, while the sum is 47.

The square root of 68444759 is about 8273.1347746788. The cubic root of 68444759 is about 409.0534559487.

The spelling of 68444759 in words is "sixty-eight million, four hundred forty-four thousand, seven hundred fifty-nine".