5743666 has 4 divisors (see below), whose sum is σ = 8615502. Its totient is φ = 2871832.

The previous prime is 5743651. The next prime is 5743667. The reversal of 5743666 is 6663475.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5640625 + 103041 = 2375^2 + 321^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (5743667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1435915 + ... + 1435918.

Almost surely, 2^5743666 is an apocalyptic number.

5743666 is a deficient number, since it is larger than the sum of its proper divisors (2871836).

5743666 is a wasteful number, since it uses less digits than its factorization.

5743666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2871835.

The product of its digits is 90720, while the sum is 37.

The square root of 5743666 is about 2396.5946674396. The cubic root of 5743666 is about 179.0865866996.

The spelling of 5743666 in words is "five million, seven hundred forty-three thousand, six hundred sixty-six".