706706 has 32 divisors (see below), whose sum is σ = 1427328. Its totient is φ = 253440.

The previous prime is 706703. The next prime is 706709. The reversal of 706706 is 607607.

It is an interprime number because it is at equal distance from previous prime (706703) and next prime (706709).

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (706703) 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, 1826 + ... + 2178.

It is an arithmetic number, because the mean of its divisors is an integer number (44604).

2⁷⁰⁶⁷⁰⁶ is an apocalyptic number.

706706 is an abundant number, since it is smaller than the sum of its proper divisors (720622).

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

706706 is a wasteful number, since it uses less digits than its factorization.

706706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 706706 is about 840.6580755575. The cubic root of 706706 is about 89.0730368779.

Subtracting from 706706 its reverse (607607), we obtain a palindrome (99099).

It can be divided in two parts, 70 and 6706, that added together give a palindrome (6776).

The spelling of 706706 in words is "seven hundred six thousand, seven hundred six".