68113873 has 2 divisors, whose sum is σ = 68113874. Its totient is φ = 68113872.

The previous prime is 68113861. The next prime is 68113889. The reversal of 68113873 is 37831186.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66389904 + 1723969 = 8148^2 + 1313^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68113873 is a prime.

It is not a weakly prime, because it can be changed into another prime (68113813) 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, 34056936 + 34056937.

It is an arithmetic number, because the mean of its divisors is an integer number (34056937).

Almost surely, 2^68113873 is an apocalyptic number.

It is an amenable number.

68113873 is a deficient number, since it is larger than the sum of its proper divisors (1).

68113873 is an equidigital number, since it uses as much as digits as its factorization.

68113873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 37.

The square root of 68113873 is about 8253.1129278594. The cubic root of 68113873 is about 408.3932215183.

It can be divided in two parts, 68113 and 873, that added together give a palindrome (68986).

The spelling of 68113873 in words is "sixty-eight million, one hundred thirteen thousand, eight hundred seventy-three".