68243027 has 2 divisors, whose sum is σ = 68243028. Its totient is φ = 68243026.

The previous prime is 68243017. The next prime is 68243053. The reversal of 68243027 is 72034286.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68243027 - 2⁴ = 68243011 is a prime.

It is a super-2 number, since 2×68243027² = 9314221468245458, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 68242984 and 68243002.

It is not a weakly prime, because it can be changed into another prime (68243017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34121513 + 34121514.

It is an arithmetic number, because the mean of its divisors is an integer number (34121514).

Almost surely, 2^68243027 is an apocalyptic number.

68243027 is a deficient number, since it is larger than the sum of its proper divisors (1).

68243027 is an equidigital number, since it uses as much as digits as its factorization.

68243027 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 68243027 is about 8260.9337849907. The cubic root of 68243027 is about 408.6511832376.

The spelling of 68243027 in words is "sixty-eight million, two hundred forty-three thousand, twenty-seven".