68246089 has 2 divisors, whose sum is σ = 68246090. Its totient is φ = 68246088.

The previous prime is 68246071. The next prime is 68246197. The reversal of 68246089 is 98064286.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63441225 + 4804864 = 7965^2 + 2192^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68246089 is a prime.

It is not a weakly prime, because it can be changed into another prime (68246069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34123044 + 34123045.

It is an arithmetic number, because the mean of its divisors is an integer number (34123045).

Almost surely, 2^68246089 is an apocalyptic number.

It is an amenable number.

68246089 is a deficient number, since it is larger than the sum of its proper divisors (1).

68246089 is an equidigital number, since it uses as much as digits as its factorization.

68246089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 68246089 is about 8261.1191130500. The cubic root of 68246089 is about 408.6572950767.

The spelling of 68246089 in words is "sixty-eight million, two hundred forty-six thousand, eighty-nine".