68347043 has 2 divisors, whose sum is σ = 68347044. Its totient is φ = 68347042.

The previous prime is 68347039. The next prime is 68347057. The reversal of 68347043 is 34074386.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68347043 - 2² = 68347039 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 68346994 and 68347012.

It is not a weakly prime, because it can be changed into another prime (68347093) 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, 34173521 + 34173522.

It is an arithmetic number, because the mean of its divisors is an integer number (34173522).

Almost surely, 2^68347043 is an apocalyptic number.

68347043 is a deficient number, since it is larger than the sum of its proper divisors (1).

68347043 is an equidigital number, since it uses as much as digits as its factorization.

68347043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 68347043 is about 8267.2270441787. The cubic root of 68347043 is about 408.8586998421.

The spelling of 68347043 in words is "sixty-eight million, three hundred forty-seven thousand, forty-three".