705783241 has 4 divisors (see below), whose sum is σ = 705864852. Its totient is φ = 705701632.

The previous prime is 705783233. The next prime is 705783257. The reversal of 705783241 is 142387507.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 425555641 + 280227600 = 20629^2 + 16740^2 .

It is a cyclic number.

It is not a de Polignac number, because 705783241 - 2³ = 705783233 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 705783241.

It is not an unprimeable number, because it can be changed into a prime (705783341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26056 + ... + 45721.

It is an arithmetic number, because the mean of its divisors is an integer number (176466213).

Almost surely, 2^705783241 is an apocalyptic number.

It is an amenable number.

705783241 is a deficient number, since it is larger than the sum of its proper divisors (81611).

705783241 is an equidigital number, since it uses as much as digits as its factorization.

705783241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81610.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 705783241 is about 26566.5812817532. The cubic root of 705783241 is about 890.3425189233.

The spelling of 705783241 in words is "seven hundred five million, seven hundred eighty-three thousand, two hundred forty-one".