163727 has 4 divisors (see below), whose sum is σ = 173376. Its totient is φ = 154080.

The previous prime is 163697. The next prime is 163729. The reversal of 163727 is 727361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 727361 = 509 ⋅1429.

It is a cyclic number.

It is not a de Polignac number, because 163727 - 2¹⁰ = 162703 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 163696 and 163705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163729) 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 3 ways as a sum of consecutive naturals, for example, 4799 + ... + 4832.

It is an arithmetic number, because the mean of its divisors is an integer number (43344).

2¹⁶³⁷²⁷ is an apocalyptic number.

163727 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

163727 is a deficient number, since it is larger than the sum of its proper divisors (9649).

163727 is an equidigital number, since it uses as much as digits as its factorization.

163727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9648.

The product of its digits is 1764, while the sum is 26.

The square root of 163727 is about 404.6319315131. The cubic root of 163727 is about 54.7066474993.

The spelling of 163727 in words is "one hundred sixty-three thousand, seven hundred twenty-seven".