34809473 has 2 divisors, whose sum is σ = 34809474. Its totient is φ = 34809472.

The previous prime is 34809457. The next prime is 34809527. The reversal of 34809473 is 37490843.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33085504 + 1723969 = 5752^2 + 1313^2 .

It is a cyclic number.

It is not a de Polignac number, because 34809473 - 2⁴ = 34809457 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (34809443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17404736 + 17404737.

It is an arithmetic number, because the mean of its divisors is an integer number (17404737).

Almost surely, 2^34809473 is an apocalyptic number.

It is an amenable number.

34809473 is a deficient number, since it is larger than the sum of its proper divisors (1).

34809473 is an equidigital number, since it uses as much as digits as its factorization.

34809473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 34809473 is about 5899.9553388140. The cubic root of 34809473 is about 326.5120017289.

The spelling of 34809473 in words is "thirty-four million, eight hundred nine thousand, four hundred seventy-three".