705670017 has 16 divisors (see below), whose sum is σ = 1072874880. Its totient is φ = 408713472.

The previous prime is 705670001. The next prime is 705670027. The reversal of 705670017 is 710076507.

It is not a de Polignac number, because 705670017 - 2⁴ = 705670001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 705670017.

It is not an unprimeable number, because it can be changed into a prime (705670027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 531517 + ... + 532842.

It is an arithmetic number, because the mean of its divisors is an integer number (67054680).

Almost surely, 2^705670017 is an apocalyptic number.

It is an amenable number.

705670017 is a deficient number, since it is larger than the sum of its proper divisors (367204863).

705670017 is a wasteful number, since it uses less digits than its factorization.

705670017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064392.

The product of its (nonzero) digits is 10290, while the sum is 33.

The square root of 705670017 is about 26564.4502484053. The cubic root of 705670017 is about 890.2949058477.

The spelling of 705670017 in words is "seven hundred five million, six hundred seventy thousand, seventeen".