565722740 has 48 divisors (see below), whose sum is σ = 1303271424. Its totient is φ = 204566400.

The previous prime is 565722737. The next prime is 565722757. The reversal of 565722740 is 47227565.

It is a happy number.

565722740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 565722694 and 565722703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32717 + ... + 46923.

It is an arithmetic number, because the mean of its divisors is an integer number (27151488).

Almost surely, 2^565722740 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 565722740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (651635712).

565722740 is an abundant number, since it is smaller than the sum of its proper divisors (737548684).

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

565722740 is a wasteful number, since it uses less digits than its factorization.

565722740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14408 (or 14406 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 38.

The square root of 565722740 is about 23784.9267394289. The cubic root of 565722740 is about 827.0552929786.

The spelling of 565722740 in words is "five hundred sixty-five million, seven hundred twenty-two thousand, seven hundred forty".