561703296 has 256 divisors, whose sum is σ = 1887505920. Its totient is φ = 144967680.

The previous prime is 561703283. The next prime is 561703333. The reversal of 561703296 is 692307165.

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 31 ways as a sum of consecutive naturals, for example, 3577650 + ... + 3577806.

It is an arithmetic number, because the mean of its divisors is an integer number (7373070).

Almost surely, 2^561703296 is an apocalyptic number.

561703296 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 561703296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (943752960).

561703296 is an abundant number, since it is smaller than the sum of its proper divisors (1325802624).

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

561703296 is a wasteful number, since it uses less digits than its factorization.

561703296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 561703296 is about 23700.2805046691. The cubic root of 561703296 is about 825.0919008734.

The spelling of 561703296 in words is "five hundred sixty-one million, seven hundred three thousand, two hundred ninety-six".