68229773 has 2 divisors, whose sum is σ = 68229774. Its totient is φ = 68229772.

The previous prime is 68229769. The next prime is 68229787. The reversal of 68229773 is 37792286.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67930564 + 299209 = 8242^2 + 547^2 .

It is a cyclic number.

It is not a de Polignac number, because 68229773 - 2² = 68229769 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68229713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34114886 + 34114887.

It is an arithmetic number, because the mean of its divisors is an integer number (34114887).

Almost surely, 2^68229773 is an apocalyptic number.

It is an amenable number.

68229773 is a deficient number, since it is larger than the sum of its proper divisors (1).

68229773 is an equidigital number, since it uses as much as digits as its factorization.

68229773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 254016, while the sum is 44.

The square root of 68229773 is about 8260.1315364829. The cubic root of 68229773 is about 408.6247257679.

The spelling of 68229773 in words is "sixty-eight million, two hundred twenty-nine thousand, seven hundred seventy-three".