566740 has 24 divisors (see below), whose sum is σ = 1219680. Its totient is φ = 221088.

The previous prime is 566737. The next prime is 566759. The reversal of 566740 is 47665.

It is a plaindrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 566699 and 566708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 531 + ... + 1189.

It is an arithmetic number, because the mean of its divisors is an integer number (50820).

2⁵⁶⁶⁷⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 566740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (609840).

566740 is an abundant number, since it is smaller than the sum of its proper divisors (652940).

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

566740 is a wasteful number, since it uses less digits than its factorization.

566740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711 (or 709 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 566740 is about 752.8213599520. The cubic root of 566740 is about 82.7550722058.

The spelling of 566740 in words is "five hundred sixty-six thousand, seven hundred forty".