726855 has 16 divisors (see below), whose sum is σ = 1188864. Its totient is φ = 379040.

The previous prime is 726853. The next prime is 726893. The reversal of 726855 is 558627.

It is a happy number.

It is not a de Polignac number, because 726855 - 2¹ = 726853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726853) by changing a digit.

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, 190 + ... + 1220.

It is an arithmetic number, because the mean of its divisors is an integer number (74304).

2⁷²⁶⁸⁵⁵ is an apocalyptic number.

726855 is a deficient number, since it is larger than the sum of its proper divisors (462009).

726855 is a wasteful number, since it uses less digits than its factorization.

726855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086.

The product of its digits is 16800, while the sum is 33.

The square root of 726855 is about 852.5579159213. The cubic root of 726855 is about 89.9116416769.

It can be divided in two parts, 7 and 26855, that added together give a palindrome (26862).

The spelling of 726855 in words is "seven hundred twenty-six thousand, eight hundred fifty-five".