68310773 has 2 divisors, whose sum is σ = 68310774. Its totient is φ = 68310772.

The previous prime is 68310761. The next prime is 68310791. The reversal of 68310773 is 37701386.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47306884 + 21003889 = 6878^2 + 4583^2 .

It is a cyclic number.

It is not a de Polignac number, because 68310773 - 2¹⁰ = 68309749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68310673) 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, 34155386 + 34155387.

It is an arithmetic number, because the mean of its divisors is an integer number (34155387).

Almost surely, 2^68310773 is an apocalyptic number.

It is an amenable number.

68310773 is a deficient number, since it is larger than the sum of its proper divisors (1).

68310773 is an equidigital number, since it uses as much as digits as its factorization.

68310773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 68310773 is about 8265.0331517786. The cubic root of 68310773 is about 408.7863634818.

The spelling of 68310773 in words is "sixty-eight million, three hundred ten thousand, seven hundred seventy-three".