68006843 has 2 divisors, whose sum is σ = 68006844. Its totient is φ = 68006842.

The previous prime is 68006773. The next prime is 68006863. The reversal of 68006843 is 34860086.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68006843 is a prime.

It is not a weakly prime, because it can be changed into another prime (68006863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34003421 + 34003422.

It is an arithmetic number, because the mean of its divisors is an integer number (34003422).

Almost surely, 2^68006843 is an apocalyptic number.

68006843 is a deficient number, since it is larger than the sum of its proper divisors (1).

68006843 is an equidigital number, since it uses as much as digits as its factorization.

68006843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 68006843 is about 8246.6261586178. The cubic root of 68006843 is about 408.1792012844.

The spelling of 68006843 in words is "sixty-eight million, six thousand, eight hundred forty-three".