34168681 has 2 divisors, whose sum is σ = 34168682. Its totient is φ = 34168680.

The previous prime is 34168663. The next prime is 34168741. The reversal of 34168681 is 18686143.

34168681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33454656 + 714025 = 5784^2 + 845^2 .

It is a cyclic number.

It is not a de Polignac number, because 34168681 - 2⁷ = 34168553 is a prime.

It is a super-2 number, since 2×34168681² = 2334997522559522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 34168681.

It is not a weakly prime, because it can be changed into another prime (34168081) 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, 17084340 + 17084341.

It is an arithmetic number, because the mean of its divisors is an integer number (17084341).

Almost surely, 2^34168681 is an apocalyptic number.

It is an amenable number.

34168681 is a deficient number, since it is larger than the sum of its proper divisors (1).

34168681 is an equidigital number, since it uses as much as digits as its factorization.

34168681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 37.

The square root of 34168681 is about 5845.3982755669. The cubic root of 34168681 is about 324.4960426170.

The spelling of 34168681 in words is "thirty-four million, one hundred sixty-eight thousand, six hundred eighty-one".