726132 has 24 divisors (see below), whose sum is σ = 1848672. Its totient is φ = 220000.

The previous prime is 726109. The next prime is 726137. The reversal of 726132 is 231627.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 726099 and 726108.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 726132.

It is not an unprimeable number, because it can be changed into a prime (726137) by changing a digit.

726132 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 7 ways as a sum of consecutive naturals, for example, 2619 + ... + 2882.

It is an arithmetic number, because the mean of its divisors is an integer number (77028).

2⁷²⁶¹³² is an apocalyptic number.

It is an amenable number.

726132 is an abundant number, since it is smaller than the sum of its proper divisors (1122540).

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

726132 is a wasteful number, since it uses less digits than its factorization.

726132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5519 (or 5517 counting only the distinct ones).

The product of its digits is 504, while the sum is 21.

The square root of 726132 is about 852.1337923120. The cubic root of 726132 is about 89.8818201936.

Adding to 726132 its reverse (231627), we get a palindrome (957759).

It can be divided in two parts, 726 and 132, that added together give a palindrome (858).

The spelling of 726132 in words is "seven hundred twenty-six thousand, one hundred thirty-two".