34768021 has 2 divisors, whose sum is σ = 34768022. Its totient is φ = 34768020.

The previous prime is 34768003. The next prime is 34768033. The reversal of 34768021 is 12086743.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29866225 + 4901796 = 5465^2 + 2214^2 .

It is a cyclic number.

It is not a de Polignac number, because 34768021 - 2⁵ = 34767989 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 (34768091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17384010 + 17384011.

It is an arithmetic number, because the mean of its divisors is an integer number (17384011).

Almost surely, 2^34768021 is an apocalyptic number.

It is an amenable number.

34768021 is a deficient number, since it is larger than the sum of its proper divisors (1).

34768021 is an equidigital number, since it uses as much as digits as its factorization.

34768021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 34768021 is about 5896.4413844284. The cubic root of 34768021 is about 326.3823440014.

The spelling of 34768021 in words is "thirty-four million, seven hundred sixty-eight thousand, twenty-one".