68012843 has 2 divisors, whose sum is σ = 68012844. Its totient is φ = 68012842.

The previous prime is 68012831. The next prime is 68012873. The reversal of 68012843 is 34821086.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68012843 - 2¹⁰ = 68011819 is a prime.

It is not a weakly prime, because it can be changed into another prime (68012803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34006421 + 34006422.

It is an arithmetic number, because the mean of its divisors is an integer number (34006422).

Almost surely, 2^68012843 is an apocalyptic number.

68012843 is a deficient number, since it is larger than the sum of its proper divisors (1).

68012843 is an equidigital number, since it uses as much as digits as its factorization.

68012843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 68012843 is about 8246.9899357281. The cubic root of 68012843 is about 408.1912049940.

The spelling of 68012843 in words is "sixty-eight million, twelve thousand, eight hundred forty-three".