726329 has 4 divisors (see below), whose sum is σ = 734580. Its totient is φ = 718080.

The previous prime is 726307. The next prime is 726331. The reversal of 726329 is 923627.

726329 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 923627 = 17 ⋅54331.

It can be written as a sum of positive squares in 2 ways, for example, as 200704 + 525625 = 448^2 + 725^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-726329 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (726379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3992 + ... + 4169.

It is an arithmetic number, because the mean of its divisors is an integer number (183645).

2⁷²⁶³²⁹ is an apocalyptic number.

It is an amenable number.

726329 is a deficient number, since it is larger than the sum of its proper divisors (8251).

726329 is an equidigital number, since it uses as much as digits as its factorization.

726329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8250.

The product of its digits is 4536, while the sum is 29.

The square root of 726329 is about 852.2493766498. The cubic root of 726329 is about 89.8899477873.

The spelling of 726329 in words is "seven hundred twenty-six thousand, three hundred twenty-nine".