8045668 has 6 divisors (see below), whose sum is σ = 14079926. Its totient is φ = 4022832.

The previous prime is 8045663. The next prime is 8045669. The reversal of 8045668 is 8665408.

It can be written as a sum of positive squares in only one way, i.e., 4235364 + 3810304 = 2058^2 + 1952^2 .

It is not an unprimeable number, because it can be changed into a prime (8045663) 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, 1005705 + ... + 1005712.

Almost surely, 2^8045668 is an apocalyptic number.

It is an amenable number.

8045668 is a deficient number, since it is larger than the sum of its proper divisors (6034258).

8045668 is a wasteful number, since it uses less digits than its factorization.

8045668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011421 (or 2011419 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 8045668 is about 2836.4886744001. The cubic root of 8045668 is about 200.3798447996.

The spelling of 8045668 in words is "eight million, forty-five thousand, six hundred sixty-eight".