726193 has 6 divisors (see below), whose sum is σ = 786534. Its totient is φ = 670176.

The previous prime is 726191. The next prime is 726221. The reversal of 726193 is 391627.

726193 is nontrivially palindromic in base 7.

It can be written as a sum of positive squares in 3 ways, for example, as 289 + 725904 = 17^2 + 852^2 .

It is not a de Polignac number, because 726193 - 2¹ = 726191 is a prime.

It is a Duffinian number.

726193 is a lucky number.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (726191) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1980 + ... + 2317.

It is an arithmetic number, because the mean of its divisors is an integer number (131089).

2⁷²⁶¹⁹³ is an apocalyptic number.

It is an amenable number.

726193 is a deficient number, since it is larger than the sum of its proper divisors (60341).

726193 is a wasteful number, since it uses less digits than its factorization.

726193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4323 (or 4310 counting only the distinct ones).

The product of its digits is 2268, while the sum is 28.

The square root of 726193 is about 852.1695840618. The cubic root of 726193 is about 89.8843370168.

It can be divided in two parts, 726 and 193, that added together give a palindrome (919).

The spelling of 726193 in words is "seven hundred twenty-six thousand, one hundred ninety-three".