726318 has 12 divisors (see below), whose sum is σ = 1573728. Its totient is φ = 242100.

The previous prime is 726307. The next prime is 726331. The reversal of 726318 is 813627.

726318 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 726291 and 726300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20158 + ... + 20193.

It is an arithmetic number, because the mean of its divisors is an integer number (131144).

2⁷²⁶³¹⁸ is an apocalyptic number.

726318 is an abundant number, since it is smaller than the sum of its proper divisors (847410).

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

726318 is a wasteful number, since it uses less digits than its factorization.

726318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40359 (or 40356 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 726318 is about 852.2429231152. The cubic root of 726318 is about 89.8894940010.

The spelling of 726318 in words is "seven hundred twenty-six thousand, three hundred eighteen".