705699 has 16 divisors (see below), whose sum is σ = 1065600. Its totient is φ = 461448.

The previous prime is 705689. The next prime is 705713. The reversal of 705699 is 996507.

It is not a de Polignac number, because 705699 - 2¹³ = 697507 is a prime.

It is a super-2 number, since 2×705699² = 996022157202, which contains 22 as substring.

705699 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 705699.

It is not an unprimeable number, because it can be changed into a prime (705689) 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, 1372 + ... + 1814.

It is an arithmetic number, because the mean of its divisors is an integer number (66600).

2⁷⁰⁵⁶⁹⁹ is an apocalyptic number.

705699 is a deficient number, since it is larger than the sum of its proper divisors (359901).

705699 is a wasteful number, since it uses less digits than its factorization.

705699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511 (or 505 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 705699 is about 840.0589265046. The cubic root of 705699 is about 89.0307094294.

The spelling of 705699 in words is "seven hundred five thousand, six hundred ninety-nine".