727161 has 8 divisors (see below), whose sum is σ = 995904. Its totient is φ = 471600.

The previous prime is 727159. The next prime is 727169. The reversal of 727161 is 161727.

727161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 727161 - 2¹ = 727159 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 727161.

It is not an unprimeable number, because it can be changed into a prime (727169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3165 + ... + 3386.

It is an arithmetic number, because the mean of its divisors is an integer number (124488).

2⁷²⁷¹⁶¹ is an apocalyptic number.

It is an amenable number.

727161 is a deficient number, since it is larger than the sum of its proper divisors (268743).

727161 is a wasteful number, since it uses less digits than its factorization.

727161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6591.

The product of its digits is 588, while the sum is 24.

The square root of 727161 is about 852.7373569863. The cubic root of 727161 is about 89.9242572615.

Adding to 727161 its reverse (161727), we get a palindrome (888888).

It can be divided in two parts, 727 and 161, that added together give a palindrome (888).

The spelling of 727161 in words is "seven hundred twenty-seven thousand, one hundred sixty-one".