728041 has 4 divisors (see below), whose sum is σ = 730000. Its totient is φ = 726084.

The previous prime is 728027. The next prime is 728047. The reversal of 728041 is 140827.

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 not a de Polignac number, because 728041 - 2¹¹ = 725993 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (728047) 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, 231 + ... + 1228.

It is an arithmetic number, because the mean of its divisors is an integer number (182500).

2⁷²⁸⁰⁴¹ is an apocalyptic number.

It is an amenable number.

728041 is a deficient number, since it is larger than the sum of its proper divisors (1959).

728041 is a wasteful number, since it uses less digits than its factorization.

728041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1958.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 728041 is about 853.2531863404. The cubic root of 728041 is about 89.9605176613.

Adding to 728041 its reverse (140827), we get a palindrome (868868).

The spelling of 728041 in words is "seven hundred twenty-eight thousand, forty-one".