68273927 has 2 divisors, whose sum is σ = 68273928. Its totient is φ = 68273926.

The previous prime is 68273861. The next prime is 68273929. The reversal of 68273927 is 72937286.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68273927 - 2¹⁰ = 68272903 is a prime.

It is a super-2 number, since 2×68273927² = 9322658216002658, which contains 22 as substring.

Together with 68273929, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68273929) 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, 34136963 + 34136964.

It is an arithmetic number, because the mean of its divisors is an integer number (34136964).

Almost surely, 2^68273927 is an apocalyptic number.

68273927 is a deficient number, since it is larger than the sum of its proper divisors (1).

68273927 is an equidigital number, since it uses as much as digits as its factorization.

68273927 is an odious number, because the sum of its binary digits is odd.

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

The square root of 68273927 is about 8262.8038219481. The cubic root of 68273927 is about 408.7128521325.

The spelling of 68273927 in words is "sixty-eight million, two hundred seventy-three thousand, nine hundred twenty-seven".