706668433 has 4 divisors (see below), whose sum is σ = 731036340. Its totient is φ = 682300528.

The previous prime is 706668419. The next prime is 706668449. The reversal of 706668433 is 334866607.

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 373532929 + 333135504 = 19327^2 + 18252^2 .

It is a cyclic number.

It is not a de Polignac number, because 706668433 - 2⁵ = 706668401 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 706668433.

It is not an unprimeable number, because it can be changed into a prime (706668533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12183910 + ... + 12183967.

It is an arithmetic number, because the mean of its divisors is an integer number (182759085).

Almost surely, 2^706668433 is an apocalyptic number.

It is an amenable number.

706668433 is a deficient number, since it is larger than the sum of its proper divisors (24367907).

706668433 is a wasteful number, since it uses less digits than its factorization.

706668433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24367906.

The product of its (nonzero) digits is 435456, while the sum is 43.

The square root of 706668433 is about 26583.2359392155. The cubic root of 706668433 is about 890.7145853836.

The spelling of 706668433 in words is "seven hundred six million, six hundred sixty-eight thousand, four hundred thirty-three".