68083751 has 2 divisors, whose sum is σ = 68083752. Its totient is φ = 68083750.

The previous prime is 68083727. The next prime is 68083787. The reversal of 68083751 is 15738086.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68083751 - 2²⁶ = 974887 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68083711) 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, 34041875 + 34041876.

It is an arithmetic number, because the mean of its divisors is an integer number (34041876).

Almost surely, 2^68083751 is an apocalyptic number.

68083751 is a deficient number, since it is larger than the sum of its proper divisors (1).

68083751 is an equidigital number, since it uses as much as digits as its factorization.

68083751 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 68083751 is about 8251.2878388770. The cubic root of 68083751 is about 408.3330113931. Note that the first 3 decimals are identical.

The spelling of 68083751 in words is "sixty-eight million, eighty-three thousand, seven hundred fifty-one".