566420764 has 48 divisors (see below), whose sum is σ = 1231469568. Its totient is φ = 221969088.

The previous prime is 566420741. The next prime is 566420783. The reversal of 566420764 is 467024665.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31677 + ... + 46219.

It is an arithmetic number, because the mean of its divisors is an integer number (25655616).

Almost surely, 2^566420764 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 566420764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (615734784).

566420764 is an abundant number, since it is smaller than the sum of its proper divisors (665048804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

566420764 is a wasteful number, since it uses less digits than its factorization.

566420764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14674 (or 14672 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 40.

The square root of 566420764 is about 23799.5958789220. The cubic root of 566420764 is about 827.3953106395.

The spelling of 566420764 in words is "five hundred sixty-six million, four hundred twenty thousand, seven hundred sixty-four".