705842 has 8 divisors (see below), whose sum is σ = 1066800. Its totient is φ = 350244.

The previous prime is 705841. The next prime is 705863. The reversal of 705842 is 248507.

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

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 705842.

It is not an unprimeable number, because it can be changed into a prime (705841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 992 + ... + 1547.

It is an arithmetic number, because the mean of its divisors is an integer number (133350).

2⁷⁰⁵⁸⁴² is an apocalyptic number.

705842 is a deficient number, since it is larger than the sum of its proper divisors (360958).

705842 is a wasteful number, since it uses less digits than its factorization.

705842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2680.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 705842 is about 840.1440352701. The cubic root of 705842 is about 89.0367226313.

The spelling of 705842 in words is "seven hundred five thousand, eight hundred forty-two".