726271 has 16 divisors (see below), whose sum is σ = 935424. Its totient is φ = 548064.

The previous prime is 726221. The next prime is 726287. The reversal of 726271 is 172627.

It is a cyclic number.

It is not a de Polignac number, because 726271 - 2¹⁵ = 693503 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1920 + ... + 2266.

It is an arithmetic number, because the mean of its divisors is an integer number (58464).

2⁷²⁶²⁷¹ is an apocalyptic number.

726271 is a deficient number, since it is larger than the sum of its proper divisors (209153).

726271 is a wasteful number, since it uses less digits than its factorization.

726271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390.

The product of its digits is 1176, while the sum is 25.

The square root of 726271 is about 852.2153483715. The cubic root of 726271 is about 89.8875550443.

Adding to 726271 its reverse (172627), we get a palindrome (898898).

The spelling of 726271 in words is "seven hundred twenty-six thousand, two hundred seventy-one".