27672139 has 8 divisors (see below), whose sum is σ = 30639168. Its totient is φ = 24780360.

The previous prime is 27672103. The next prime is 27672187. The reversal of 27672139 is 93127672.

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

It is not a de Polignac number, because 27672139 - 2⁹ = 27671627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27672098 and 27672107.

It is not an unprimeable number, because it can be changed into a prime (27676139) 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, 18037 + ... + 19510.

It is an arithmetic number, because the mean of its divisors is an integer number (3829896).

Almost surely, 2^27672139 is an apocalyptic number.

27672139 is a deficient number, since it is larger than the sum of its proper divisors (2967029).

27672139 is a wasteful number, since it uses less digits than its factorization.

27672139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37625.

The product of its digits is 31752, while the sum is 37.

The square root of 27672139 is about 5260.4314461839. The cubic root of 27672139 is about 302.4690276328.

The spelling of 27672139 in words is "twenty-seven million, six hundred seventy-two thousand, one hundred thirty-nine".