16727005 has 4 divisors (see below), whose sum is σ = 20072412. Its totient is φ = 13381600.

The previous prime is 16726999. The next prime is 16727017. The reversal of 16727005 is 50072761.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50072761 = 1931 ⋅25931.

It can be written as a sum of positive squares in 2 ways, for example, as 2393209 + 14333796 = 1547^2 + 3786^2 .

It is not a de Polignac number, because 16727005 - 2¹³ = 16718813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1672696 + ... + 1672705.

It is an arithmetic number, because the mean of its divisors is an integer number (5018103).

Almost surely, 2^16727005 is an apocalyptic number.

It is an amenable number.

16727005 is a deficient number, since it is larger than the sum of its proper divisors (3345407).

16727005 is an equidigital number, since it uses as much as digits as its factorization.

16727005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3345406.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 16727005 is about 4089.8661347286. The cubic root of 16727005 is about 255.7443584488.

Adding to 16727005 its reverse (50072761), we get a palindrome (66799766).

It can be divided in two parts, 167 and 27005, that added together give a palindrome (27172).

The spelling of 16727005 in words is "sixteen million, seven hundred twenty-seven thousand, five".