34394473 has 2 divisors, whose sum is σ = 34394474. Its totient is φ = 34394472.

The previous prime is 34394471. The next prime is 34394483. The reversal of 34394473 is 37449343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22581504 + 11812969 = 4752^2 + 3437^2 .

It is a cyclic number.

It is not a de Polignac number, because 34394473 - 2¹ = 34394471 is a prime.

Together with 34394471, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (34394471) 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, 17197236 + 17197237.

It is an arithmetic number, because the mean of its divisors is an integer number (17197237).

Almost surely, 2^34394473 is an apocalyptic number.

It is an amenable number.

34394473 is a deficient number, since it is larger than the sum of its proper divisors (1).

34394473 is an equidigital number, since it uses as much as digits as its factorization.

34394473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 37.

The square root of 34394473 is about 5864.6801276796. The cubic root of 34394473 is about 325.2092474980.

The spelling of 34394473 in words is "thirty-four million, three hundred ninety-four thousand, four hundred seventy-three".