561765068 has 12 divisors (see below), whose sum is σ = 1040917752. Its totient is φ = 264360000.

The previous prime is 561765049. The next prime is 561765079. The reversal of 561765068 is 860567165.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4130558 + ... + 4130693.

It is an arithmetic number, because the mean of its divisors is an integer number (86743146).

Almost surely, 2^561765068 is an apocalyptic number.

It is an amenable number.

561765068 is a deficient number, since it is larger than the sum of its proper divisors (479152684).

561765068 is a wasteful number, since it uses less digits than its factorization.

561765068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8261272 (or 8261270 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 561765068 is about 23701.5836601692. The cubic root of 561765068 is about 825.1221456124.

The spelling of 561765068 in words is "five hundred sixty-one million, seven hundred sixty-five thousand, sixty-eight".