705355666 has 8 divisors (see below), whose sum is σ = 1058160060. Its totient is φ = 352635648.

The previous prime is 705355613. The next prime is 705355723. The reversal of 705355666 is 666553507.

705355666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 603930625 + 101425041 = 24575^2 + 10071^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7630 + ... + 38326.

Almost surely, 2^705355666 is an apocalyptic number.

705355666 is a deficient number, since it is larger than the sum of its proper divisors (352804394).

705355666 is a wasteful number, since it uses less digits than its factorization.

705355666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42188.

The product of its (nonzero) digits is 567000, while the sum is 43.

The square root of 705355666 is about 26558.5328284527. The cubic root of 705355666 is about 890.1626879299.

The spelling of 705355666 in words is "seven hundred five million, three hundred fifty-five thousand, six hundred sixty-six".