68383057 has 2 divisors, whose sum is σ = 68383058. Its totient is φ = 68383056.

The previous prime is 68383037. The next prime is 68383087. The reversal of 68383057 is 75038386.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39050001 + 29333056 = 6249^2 + 5416^2 .

It is a cyclic number.

It is not a de Polignac number, because 68383057 - 2⁷ = 68382929 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (68383037) 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, 34191528 + 34191529.

It is an arithmetic number, because the mean of its divisors is an integer number (34191529).

Almost surely, 2^68383057 is an apocalyptic number.

It is an amenable number.

68383057 is a deficient number, since it is larger than the sum of its proper divisors (1).

68383057 is an equidigital number, since it uses as much as digits as its factorization.

68383057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 68383057 is about 8269.4048758058. The cubic root of 68383057 is about 408.9305003232.

The spelling of 68383057 in words is "sixty-eight million, three hundred eighty-three thousand, fifty-seven".