68467843 has 2 divisors, whose sum is σ = 68467844. Its totient is φ = 68467842.

The previous prime is 68467837. The next prime is 68467853. The reversal of 68467843 is 34876486.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68467843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68467793 and 68467802.

It is not a weakly prime, because it can be changed into another prime (68467853) 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, 34233921 + 34233922.

It is an arithmetic number, because the mean of its divisors is an integer number (34233922).

Almost surely, 2^68467843 is an apocalyptic number.

68467843 is a deficient number, since it is larger than the sum of its proper divisors (1).

68467843 is an equidigital number, since it uses as much as digits as its factorization.

68467843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 774144, while the sum is 46.

The square root of 68467843 is about 8274.5297751594. The cubic root of 68467843 is about 409.0994372079.

The spelling of 68467843 in words is "sixty-eight million, four hundred sixty-seven thousand, eight hundred forty-three".