68233147 has 2 divisors, whose sum is σ = 68233148. Its totient is φ = 68233146.

The previous prime is 68233097. The next prime is 68233211. The reversal of 68233147 is 74133286.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68233147 is a prime.

It is not a weakly prime, because it can be changed into another prime (68233247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34116573 + 34116574.

It is an arithmetic number, because the mean of its divisors is an integer number (34116574).

Almost surely, 2^68233147 is an apocalyptic number.

68233147 is a deficient number, since it is larger than the sum of its proper divisors (1).

68233147 is an equidigital number, since it uses as much as digits as its factorization.

68233147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 34.

The square root of 68233147 is about 8260.3357679939. The cubic root of 68233147 is about 408.6314612297.

The spelling of 68233147 in words is "sixty-eight million, two hundred thirty-three thousand, one hundred forty-seven".