566744761 has 6 divisors (see below), whose sum is σ = 622950986. Its totient is φ = 515222400.

The previous prime is 566744729. The next prime is 566744809. The reversal of 566744761 is 167447665.

It can be written as a sum of positive squares in only one way, i.e., 302064400 + 264680361 = 17380^2 + 16269^2 .

It is not a de Polignac number, because 566744761 - 2⁵ = 566744729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (566744161) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 2341800 + ... + 2342041.

Almost surely, 2^566744761 is an apocalyptic number.

It is an amenable number.

566744761 is a deficient number, since it is larger than the sum of its proper divisors (56206225).

566744761 is a wasteful number, since it uses less digits than its factorization.

566744761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4683863 (or 4683852 counting only the distinct ones).

The product of its digits is 846720, while the sum is 46.

The square root of 566744761 is about 23806.4016810605. The cubic root of 566744761 is about 827.5530393801.

It can be divided in two parts, 5 and 66744761, that added together give a palindrome (66744766).

The spelling of 566744761 in words is "five hundred sixty-six million, seven hundred forty-four thousand, seven hundred sixty-one".