566729728 has 22 divisors (see below), whose sum is σ = 1132908056. Its totient is φ = 283364352.

The previous prime is 566729719. The next prime is 566729741. The reversal of 566729728 is 827927665.

It is a congruent number.

It is an unprimeable number.

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, 275700 + ... + 277747.

Almost surely, 2^566729728 is an apocalyptic number.

It is an amenable number.

566729728 is a deficient number, since it is larger than the sum of its proper divisors (566178328).

566729728 is an equidigital number, since it uses as much as digits as its factorization.

566729728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553467 (or 553449 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 52.

The square root of 566729728 is about 23806.0859445647. The cubic root of 566729728 is about 827.5457223210.

The spelling of 566729728 in words is "five hundred sixty-six million, seven hundred twenty-nine thousand, seven hundred twenty-eight".