9872726 has 16 divisors (see below), whose sum is σ = 15261696. Its totient is φ = 4787496.

The previous prime is 9872717. The next prime is 9872729. The reversal of 9872726 is 6272789.

9872726 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9872729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11525 + ... + 12351.

It is an arithmetic number, because the mean of its divisors is an integer number (953856).

Almost surely, 2^9872726 is an apocalyptic number.

9872726 is a deficient number, since it is larger than the sum of its proper divisors (5388970).

9872726 is a wasteful number, since it uses less digits than its factorization.

9872726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003.

The product of its digits is 84672, while the sum is 41.

The square root of 9872726 is about 3142.0894322091. The cubic root of 9872726 is about 214.5255519501.

The spelling of 9872726 in words is "nine million, eight hundred seventy-two thousand, seven hundred twenty-six".