726206 has 32 divisors (see below), whose sum is σ = 1306368. Its totient is φ = 299520.

The previous prime is 726191. The next prime is 726221. The reversal of 726206 is 602627.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (726191) and next prime (726221).

It is a Curzon number.

It is a plaindrome in base 11.

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 726206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13676 + ... + 13728.

It is an arithmetic number, because the mean of its divisors is an integer number (40824).

2⁷²⁶²⁰⁶ is an apocalyptic number.

726206 is a deficient number, since it is larger than the sum of its proper divisors (580162).

726206 is a wasteful number, since it uses less digits than its factorization.

726206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 726206 is about 852.1772116174. The cubic root of 726206 is about 89.8848733707.

The spelling of 726206 in words is "seven hundred twenty-six thousand, two hundred six".