706205 has 4 divisors (see below), whose sum is σ = 847452. Its totient is φ = 564960.

The previous prime is 706201. The next prime is 706207. The reversal of 706205 is 502607.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 465124 + 241081 = 682^2 + 491^2 .

It is not a de Polignac number, because 706205 - 2² = 706201 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 706205.

It is not an unprimeable number, because it can be changed into a prime (706201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70616 + ... + 70625.

It is an arithmetic number, because the mean of its divisors is an integer number (211863).

2⁷⁰⁶²⁰⁵ is an apocalyptic number.

It is an amenable number.

706205 is a deficient number, since it is larger than the sum of its proper divisors (141247).

706205 is a wasteful number, since it uses less digits than its factorization.

706205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141246.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 706205 is about 840.3600418868. The cubic root of 706205 is about 89.0519832663.

The spelling of 706205 in words is "seven hundred six thousand, two hundred five".