68022743 has 2 divisors, whose sum is σ = 68022744. Its totient is φ = 68022742.

The previous prime is 68022739. The next prime is 68022767. The reversal of 68022743 is 34722086.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68022743 - 2² = 68022739 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61022743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34011371 + 34011372.

It is an arithmetic number, because the mean of its divisors is an integer number (34011372).

Almost surely, 2^68022743 is an apocalyptic number.

68022743 is a deficient number, since it is larger than the sum of its proper divisors (1).

68022743 is an equidigital number, since it uses as much as digits as its factorization.

68022743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 68022743 is about 8247.5901328812. The cubic root of 68022743 is about 408.2110095716.

The spelling of 68022743 in words is "sixty-eight million, twenty-two thousand, seven hundred forty-three".