90726 has 8 divisors (see below), whose sum is σ = 181464. Its totient is φ = 30240.

The previous prime is 90709. The next prime is 90731. The reversal of 90726 is 62709.

90726 is nontrivially palindromic in base 5.

It is a sphenic number, since it is the product of 3 distinct primes.

90726 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 90696 and 90705.

It is a congruent number.

It is an unprimeable number.

90726 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7555 + ... + 7566.

It is an arithmetic number, because the mean of its divisors is an integer number (22683).

2⁹⁰⁷²⁶ is an apocalyptic number.

90726 is the 191-st centered pentagonal number.

90726 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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 (90732).

90726 is a wasteful number, since it uses less digits than its factorization.

90726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15126.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 90726 is about 301.2075696260. The cubic root of 90726 is about 44.9342248931.

The spelling of 90726 in words is "ninety thousand, seven hundred twenty-six".