68833057 has 2 divisors, whose sum is σ = 68833058. Its totient is φ = 68833056.

The previous prime is 68833021. The next prime is 68833069. The reversal of 68833057 is 75033886.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59536656 + 9296401 = 7716^2 + 3049^2 .

It is a cyclic number.

It is not a de Polignac number, because 68833057 - 2¹⁹ = 68308769 is a prime.

It is a super-3 number, since 3×68833057³ (a number of 24 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (68833007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34416528 + 34416529.

It is an arithmetic number, because the mean of its divisors is an integer number (34416529).

Almost surely, 2^68833057 is an apocalyptic number.

It is an amenable number.

68833057 is a deficient number, since it is larger than the sum of its proper divisors (1).

68833057 is an equidigital number, since it uses as much as digits as its factorization.

68833057 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 68833057 is about 8296.5689896487. The cubic root of 68833057 is about 409.8255394972.

The spelling of 68833057 in words is "sixty-eight million, eight hundred thirty-three thousand, fifty-seven".