726532 has 12 divisors (see below), whose sum is σ = 1306060. Its totient is φ = 353376.

The previous prime is 726527. The next prime is 726533. The reversal of 726532 is 235627.

It can be written as a sum of positive squares in 2 ways, for example, as 695556 + 30976 = 834^2 + 176^2 .

It is a junction number, because it is equal to n+sod(n) for n = 726497 and 726506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726533) by changing a digit.

726532 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2307 + ... + 2602.

2⁷²⁶⁵³² is an apocalyptic number.

It is an amenable number.

726532 is a deficient number, since it is larger than the sum of its proper divisors (579528).

726532 is a wasteful number, since it uses less digits than its factorization.

726532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4950 (or 4948 counting only the distinct ones).

The product of its digits is 2520, while the sum is 25.

The square root of 726532 is about 852.3684649258. The cubic root of 726532 is about 89.8983213846.

The spelling of 726532 in words is "seven hundred twenty-six thousand, five hundred thirty-two".