726732 has 30 divisors (see below), whose sum is σ = 1900668. Its totient is φ = 242136.

The previous prime is 726707. The next prime is 726751. The reversal of 726732 is 237627.

726732 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 726696 and 726705.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 726732.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 798 + ... + 1445.

2⁷²⁶⁷³² is an apocalyptic number.

It is an amenable number.

726732 is an abundant number, since it is smaller than the sum of its proper divisors (1173936).

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

726732 is a wasteful number, since it uses less digits than its factorization.

726732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2259 (or 2248 counting only the distinct ones).

The product of its digits is 3528, while the sum is 27.

The square root of 726732 is about 852.4857770075. The cubic root of 726732 is about 89.9065697089.

The spelling of 726732 in words is "seven hundred twenty-six thousand, seven hundred thirty-two".