27672323 has 4 divisors (see below), whose sum is σ = 31625520. Its totient is φ = 23719128.

The previous prime is 27672313. The next prime is 27672353. The reversal of 27672323 is 32327672.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27672323 - 2¹⁰ = 27671299 is a prime.

It is a super-3 number, since 3×27672323³ (a number of 23 digits) contains 333 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27672323.

It is not an unprimeable number, because it can be changed into a prime (27672313) 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, 1976588 + ... + 1976601.

It is an arithmetic number, because the mean of its divisors is an integer number (7906380).

Almost surely, 2^27672323 is an apocalyptic number.

27672323 is a deficient number, since it is larger than the sum of its proper divisors (3953197).

27672323 is an equidigital number, since it uses as much as digits as its factorization.

27672323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3953196.

The product of its digits is 21168, while the sum is 32.

The square root of 27672323 is about 5260.4489352146. The cubic root of 27672323 is about 302.4696980325.

Adding to 27672323 its reverse (32327672), we get a palindrome (59999995).

The spelling of 27672323 in words is "twenty-seven million, six hundred seventy-two thousand, three hundred twenty-three".