662706 has 24 divisors (see below), whose sum is σ = 1566864. Its totient is φ = 200760.

The previous prime is 662693. The next prime is 662713. The reversal of 662706 is 607266.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 662706.

It is an unprimeable number.

662706 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 11 ways as a sum of consecutive naturals, for example, 1476 + ... + 1871.

It is an arithmetic number, because the mean of its divisors is an integer number (65286).

2⁶⁶²⁷⁰⁶ is an apocalyptic number.

662706 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

662706 is an abundant number, since it is smaller than the sum of its proper divisors (904158).

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

662706 is a wasteful number, since it uses less digits than its factorization.

662706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3366 (or 3363 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 662706 is about 814.0675647635. The cubic root of 662706 is about 87.1847046932.

It can be divided in two parts, 66 and 2706, that added together give a palindrome (2772).

The spelling of 662706 in words is "six hundred sixty-two thousand, seven hundred six".