522716768 has 96 divisors (see below), whose sum is σ = 1245404160. Its totient is φ = 211115520.

The previous prime is 522716741. The next prime is 522716783. The reversal of 522716768 is 867617225.

It is a Cunningham number, because it is equal to 22863²-1.

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 in 15 ways as a sum of consecutive naturals, for example, 365078 + ... + 366506.

It is an arithmetic number, because the mean of its divisors is an integer number (12972960).

Almost surely, 2^522716768 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 522716768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (622702080).

522716768 is an abundant number, since it is smaller than the sum of its proper divisors (722687392).

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

522716768 is a wasteful number, since it uses less digits than its factorization.

522716768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540 (or 1532 counting only the distinct ones).

The product of its digits is 282240, while the sum is 44.

The square root of 522716768 is about 22862.9999781306. Note that the first 4 decimals coincide. The cubic root of 522716768 is about 805.5431531077.

The spelling of 522716768 in words is "five hundred twenty-two million, seven hundred sixteen thousand, seven hundred sixty-eight".