68671133 has 2 divisors, whose sum is σ = 68671134. Its totient is φ = 68671132.

The previous prime is 68671091. The next prime is 68671151. The reversal of 68671133 is 33117686.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37724164 + 30946969 = 6142^2 + 5563^2 .

It is a cyclic number.

It is not a de Polignac number, because 68671133 - 2²⁴ = 51893917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68671093 and 68671102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68671193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34335566 + 34335567.

It is an arithmetic number, because the mean of its divisors is an integer number (34335567).

Almost surely, 2^68671133 is an apocalyptic number.

It is an amenable number.

68671133 is a deficient number, since it is larger than the sum of its proper divisors (1).

68671133 is an equidigital number, since it uses as much as digits as its factorization.

68671133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 35.

The square root of 68671133 is about 8286.8047521346. The cubic root of 68671133 is about 409.5039270939.

It can be divided in two parts, 6867 and 1133, that added together give a cube (8000 = 20³).

The spelling of 68671133 in words is "sixty-eight million, six hundred seventy-one thousand, one hundred thirty-three".