706393393 has 2 divisors, whose sum is σ = 706393394. Its totient is φ = 706393392.

The previous prime is 706393351. The next prime is 706393421. The reversal of 706393393 is 393393607.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 636704289 + 69689104 = 25233^2 + 8348^2 .

It is a cyclic number.

It is not a de Polignac number, because 706393393 - 2⁹ = 706392881 is a prime.

It is not a weakly prime, because it can be changed into another prime (706393313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 353196696 + 353196697.

It is an arithmetic number, because the mean of its divisors is an integer number (353196697).

Almost surely, 2^706393393 is an apocalyptic number.

It is an amenable number.

706393393 is a deficient number, since it is larger than the sum of its proper divisors (1).

706393393 is an equidigital number, since it uses as much as digits as its factorization.

706393393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 275562, while the sum is 43.

The square root of 706393393 is about 26578.0622506608. The cubic root of 706393393 is about 890.5990130643.

The spelling of 706393393 in words is "seven hundred six million, three hundred ninety-three thousand, three hundred ninety-three".