27072005 has 8 divisors (see below), whose sum is σ = 32802432. Its totient is φ = 21446928.

The previous prime is 27071999. The next prime is 27072011. The reversal of 27072005 is 50027072.

It is an interprime number because it is at equal distance from previous prime (27071999) and next prime (27072011).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27072005 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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25769 + ... + 26798.

It is an arithmetic number, because the mean of its divisors is an integer number (4100304).

Almost surely, 2^27072005 is an apocalyptic number.

It is an amenable number.

27072005 is a deficient number, since it is larger than the sum of its proper divisors (5730427).

27072005 is a wasteful number, since it uses less digits than its factorization.

27072005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52675.

The product of its (nonzero) digits is 980, while the sum is 23.

The square root of 27072005 is about 5203.0764937679. The cubic root of 27072005 is about 300.2664484658.

Adding to 27072005 its reverse (50027072), we get a palindrome (77099077).

The spelling of 27072005 in words is "twenty-seven million, seventy-two thousand, five".