99726 has 16 divisors (see below), whose sum is σ = 217728. Its totient is φ = 30200.

The previous prime is 99721. The next prime is 99733. The reversal of 99726 is 62799.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99721) 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, 690 + ... + 821.

It is an arithmetic number, because the mean of its divisors is an integer number (13608).

2⁹⁹⁷²⁶ is an apocalyptic number.

99726 is an abundant number, since it is smaller than the sum of its proper divisors (118002).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108864).

99726 is a wasteful number, since it uses less digits than its factorization.

99726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527.

The product of its digits is 6804, while the sum is 33.

The square root of 99726 is about 315.7942368062. The cubic root of 99726 is about 46.3734563800.

The spelling of 99726 in words is "ninety-nine thousand, seven hundred twenty-six".