68273069 has 2 divisors, whose sum is σ = 68273070. Its totient is φ = 68273068.

The previous prime is 68272987. The next prime is 68273081. The reversal of 68273069 is 96037286.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60264169 + 8008900 = 7763^2 + 2830^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68273069 is a prime.

It is a super-2 number, since 2×68273069² = 9322423901357522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68273969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34136534 + 34136535.

It is an arithmetic number, because the mean of its divisors is an integer number (34136535).

Almost surely, 2^68273069 is an apocalyptic number.

It is an amenable number.

68273069 is a deficient number, since it is larger than the sum of its proper divisors (1).

68273069 is an equidigital number, since it uses as much as digits as its factorization.

68273069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 68273069 is about 8262.7519023628. The cubic root of 68273069 is about 408.7111400241.

The spelling of 68273069 in words is "sixty-eight million, two hundred seventy-three thousand, sixty-nine".