705289966 has 8 divisors (see below), whose sum is σ = 1061839584. Its totient is φ = 351343440.

The previous prime is 705289961. The next prime is 705289973. The reversal of 705289966 is 669982507.

It is a happy number.

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

It is a super-2 number, since 2×705289966² = 994867872280562312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (705289961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 650095 + ... + 651178.

It is an arithmetic number, because the mean of its divisors is an integer number (132729948).

Almost surely, 2^705289966 is an apocalyptic number.

705289966 is a deficient number, since it is larger than the sum of its proper divisors (356549618).

705289966 is a wasteful number, since it uses less digits than its factorization.

705289966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301546.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The square root of 705289966 is about 26557.2959090341. The cubic root of 705289966 is about 890.1350491526.

The spelling of 705289966 in words is "seven hundred five million, two hundred eighty-nine thousand, nine hundred sixty-six".