27673673 has 4 divisors (see below), whose sum is σ = 27684228. Its totient is φ = 27663120.

The previous prime is 27673609. The next prime is 27673699. The reversal of 27673673 is 37637672.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 14807104 + 12866569 = 3848^2 + 3587^2 .

It is a cyclic number.

It is not a de Polignac number, because 27673673 - 2⁶ = 27673609 is a prime.

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 27673673.

It is not an unprimeable number, because it can be changed into a prime (27673273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2015 + ... + 7707.

It is an arithmetic number, because the mean of its divisors is an integer number (6921057).

Almost surely, 2^27673673 is an apocalyptic number.

It is an amenable number.

27673673 is a deficient number, since it is larger than the sum of its proper divisors (10555).

27673673 is an equidigital number, since it uses as much as digits as its factorization.

27673673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10554.

The product of its digits is 222264, while the sum is 41.

The square root of 27673673 is about 5260.5772496942. The cubic root of 27673673 is about 302.4746166347.

The spelling of 27673673 in words is "twenty-seven million, six hundred seventy-three thousand, six hundred seventy-three".