5666574 has 8 divisors (see below), whose sum is σ = 11333160. Its totient is φ = 1888856.

The previous prime is 5666561. The next prime is 5666599. The reversal of 5666574 is 4756665.

It is a sphenic number, since it is the product of 3 distinct primes.

5666574 is an admirable number.

It is a super-2 number, since 2×5666574² = 64220121794952, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 472209 + ... + 472220.

It is an arithmetic number, because the mean of its divisors is an integer number (1416645).

Almost surely, 2^5666574 is an apocalyptic number.

5666574 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

5666574 is a wasteful number, since it uses less digits than its factorization.

5666574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944434.

The product of its digits is 151200, while the sum is 39.

The square root of 5666574 is about 2380.4566788749. The cubic root of 5666574 is about 178.2817362205.

Subtracting from 5666574 its reverse (4756665), we obtain a palindrome (909909).

It can be divided in two parts, 566 and 6574, that added together give a triangular number (7140 = T₁₁₉).

The spelling of 5666574 in words is "five million, six hundred sixty-six thousand, five hundred seventy-four".