561502726 has 16 divisors (see below), whose sum is σ = 884277504. Its totient is φ = 266893704.

The previous prime is 561502717. The next prime is 561502771. The reversal of 561502726 is 627205165.

561502726 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×561502726³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 561502691 and 561502700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29946 + ... + 44941.

It is an arithmetic number, because the mean of its divisors is an integer number (55267344).

Almost surely, 2^561502726 is an apocalyptic number.

561502726 is a deficient number, since it is larger than the sum of its proper divisors (322774778).

561502726 is a wasteful number, since it uses less digits than its factorization.

561502726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75075.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 561502726 is about 23696.0487423537. The cubic root of 561502726 is about 824.9936827187.

The spelling of 561502726 in words is "five hundred sixty-one million, five hundred two thousand, seven hundred twenty-six".