70566 has 16 divisors (see below), whose sum is σ = 148800. Its totient is φ = 22248.

The previous prime is 70549. The next prime is 70571. The reversal of 70566 is 66507.

It is a congruent number.

It is an unprimeable number.

70566 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 7 ways as a sum of consecutive naturals, for example, 196 + ... + 423.

It is an arithmetic number, because the mean of its divisors is an integer number (9300).

2⁷⁰⁵⁶⁶ is an apocalyptic number.

70566 is an abundant number, since it is smaller than the sum of its proper divisors (78234).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74400).

70566 is a wasteful number, since it uses less digits than its factorization.

70566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 70566 is about 265.6426170629. The cubic root of 70566 is about 41.3236334043.

It can be divided in two parts, 70 and 566, that added together give a palindrome (636).

The spelling of 70566 in words is "seventy thousand, five hundred sixty-six".