34070809 has 2 divisors, whose sum is σ = 34070810. Its totient is φ = 34070808.

The previous prime is 34070807. The next prime is 34070831. The reversal of 34070809 is 90807043.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20675209 + 13395600 = 4547^2 + 3660^2 .

It is a cyclic number.

It is not a de Polignac number, because 34070809 - 2¹ = 34070807 is a prime.

Together with 34070807, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (34070801) 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, 17035404 + 17035405.

It is an arithmetic number, because the mean of its divisors is an integer number (17035405).

Almost surely, 2^34070809 is an apocalyptic number.

It is an amenable number.

34070809 is a deficient number, since it is larger than the sum of its proper divisors (1).

34070809 is an equidigital number, since it uses as much as digits as its factorization.

34070809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 34070809 is about 5837.0205584699. The cubic root of 34070809 is about 324.1859199411.

The spelling of 34070809 in words is "thirty-four million, seventy thousand, eight hundred nine".