726141 has 16 divisors (see below), whose sum is σ = 1069376. Its totient is φ = 435456.

The previous prime is 726139. The next prime is 726149. The reversal of 726141 is 141627.

It is not a de Polignac number, because 726141 - 2¹ = 726139 is a prime.

It is an Ulam number.

It is a Duffinian number.

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 726141.

It is not an unprimeable number, because it can be changed into a prime (726149) 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, 1461 + ... + 1893.

It is an arithmetic number, because the mean of its divisors is an integer number (66836).

2⁷²⁶¹⁴¹ is an apocalyptic number.

It is an amenable number.

726141 is a deficient number, since it is larger than the sum of its proper divisors (343235).

726141 is a wasteful number, since it uses less digits than its factorization.

726141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492.

The product of its digits is 336, while the sum is 21.

The square root of 726141 is about 852.1390731565. The cubic root of 726141 is about 89.8821915370.

Adding to 726141 its reverse (141627), we get a palindrome (867768).

The spelling of 726141 in words is "seven hundred twenty-six thousand, one hundred forty-one".