5706666 has 64 divisors (see below), whose sum is σ = 14991360. Its totient is φ = 1574640.

The previous prime is 5706661. The next prime is 5706671. The reversal of 5706666 is 6666075.

5706666 is nontrivially palindromic in base 8.

It is an interprime number because it is at equal distance from previous prime (5706661) and next prime (5706671).

5706666 is a modest number, since divided by 6666 gives 570 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 5706666.

It is not an unprimeable number, because it can be changed into a prime (5706661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11475 + ... + 11961.

It is an arithmetic number, because the mean of its divisors is an integer number (234240).

Almost surely, 2^5706666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5706666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7495680).

5706666 is an abundant number, since it is smaller than the sum of its proper divisors (9284694).

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

5706666 is a wasteful number, since it uses less digits than its factorization.

5706666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536 (or 530 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 5706666 is about 2388.8629094195. The cubic root of 5706666 is about 178.7012066276.

The spelling of 5706666 in words is "five million, seven hundred six thousand, six hundred sixty-six".