4565668 has 6 divisors (see below), whose sum is σ = 7989926. Its totient is φ = 2282832.

The previous prime is 4565663. The next prime is 4565669. The reversal of 4565668 is 8665654.

It can be written as a sum of positive squares in only one way, i.e., 4293184 + 272484 = 2072^2 + 522^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4565668.

It is not an unprimeable number, because it can be changed into a prime (4565663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570705 + ... + 570712.

Almost surely, 2^4565668 is an apocalyptic number.

It is an amenable number.

4565668 is a deficient number, since it is larger than the sum of its proper divisors (3424258).

4565668 is a wasteful number, since it uses less digits than its factorization.

4565668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141421 (or 1141419 counting only the distinct ones).

The product of its digits is 172800, while the sum is 40.

The square root of 4565668 is about 2136.7423803538. The cubic root of 4565668 is about 165.8955650266.

The spelling of 4565668 in words is "four million, five hundred sixty-five thousand, six hundred sixty-eight".