706467409 has 2 divisors, whose sum is σ = 706467410. Its totient is φ = 706467408.

The previous prime is 706467407. The next prime is 706467449. The reversal of 706467409 is 904764607.

706467409 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., 365880384 + 340587025 = 19128^2 + 18455^2 .

It is an emirp because it is prime and its reverse (904764607) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 706467409 - 2¹ = 706467407 is a prime.

Together with 706467407, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (706467407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 353233704 + 353233705.

It is an arithmetic number, because the mean of its divisors is an integer number (353233705).

Almost surely, 2^706467409 is an apocalyptic number.

It is an amenable number.

706467409 is a deficient number, since it is larger than the sum of its proper divisors (1).

706467409 is an equidigital number, since it uses as much as digits as its factorization.

706467409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 706467409 is about 26579.4546407559. The cubic root of 706467409 is about 890.6301176749.

The spelling of 706467409 in words is "seven hundred six million, four hundred sixty-seven thousand, four hundred nine".