726041 has 4 divisors (see below), whose sum is σ = 757632. Its totient is φ = 694452.

The previous prime is 726023. The next prime is 726043. The reversal of 726041 is 140627.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-726041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (726043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15761 + ... + 15806.

It is an arithmetic number, because the mean of its divisors is an integer number (189408).

2⁷²⁶⁰⁴¹ is an apocalyptic number.

It is an amenable number.

726041 is a deficient number, since it is larger than the sum of its proper divisors (31591).

726041 is a wasteful number, since it uses less digits than its factorization.

726041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31590.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 726041 is about 852.0803952680. The cubic root of 726041 is about 89.8780653266.

Adding to 726041 its reverse (140627), we get a palindrome (866668).

The spelling of 726041 in words is "seven hundred twenty-six thousand, forty-one".