705708 has 18 divisors (see below), whose sum is σ = 1783964. Its totient is φ = 235224.

The previous prime is 705689. The next prime is 705713. The reversal of 705708 is 807507.

It is a tau number, because it is divible by the number of its divisors (18).

It is a zygodrome in base 11.

It is an unprimeable number.

705708 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9766 + ... + 9837.

2⁷⁰⁵⁷⁰⁸ is an apocalyptic number.

It is an amenable number.

705708 is an abundant number, since it is smaller than the sum of its proper divisors (1078256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

705708 is a wasteful number, since it uses less digits than its factorization.

705708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19613 (or 19608 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 705708 is about 840.0642832546. The cubic root of 705708 is about 89.0310879066.

It can be divided in two parts, 70 and 5708, that added together give a triangular number (5778 = T₁₀₇).

The spelling of 705708 in words is "seven hundred five thousand, seven hundred eight".