726243 has 8 divisors (see below), whose sum is σ = 1106688. Its totient is φ = 414984.

The previous prime is 726221. The next prime is 726287. The reversal of 726243 is 342627.

726243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 726243 - 2⁹ = 725731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (726043) 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, 17271 + ... + 17312.

It is an arithmetic number, because the mean of its divisors is an integer number (138336).

2⁷²⁶²⁴³ is an apocalyptic number.

726243 is a deficient number, since it is larger than the sum of its proper divisors (380445).

726243 is a wasteful number, since it uses less digits than its factorization.

726243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34593.

The product of its digits is 2016, while the sum is 24.

The square root of 726243 is about 852.1989204405. The cubic root of 726243 is about 89.8863998815.

It can be divided in two parts, 72624 and 3, that added together give a palindrome (72627).

The spelling of 726243 in words is "seven hundred twenty-six thousand, two hundred forty-three".