27387069 has 4 divisors (see below), whose sum is σ = 36516096. Its totient is φ = 18258044.

The previous prime is 27387047. The next prime is 27387071. The reversal of 27387069 is 96078372.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27387069 - 2⁷ = 27386941 is a prime.

It is a super-2 number, since 2×27387069² = 1500103096821522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27387069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27387029) 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, 4564509 + ... + 4564514.

It is an arithmetic number, because the mean of its divisors is an integer number (9129024).

Almost surely, 2^27387069 is an apocalyptic number.

It is an amenable number.

27387069 is a deficient number, since it is larger than the sum of its proper divisors (9129027).

27387069 is an equidigital number, since it uses as much as digits as its factorization.

27387069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9129026.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 27387069 is about 5233.2656152731. The cubic root of 27387069 is about 301.4267923432.

The spelling of 27387069 in words is "twenty-seven million, three hundred eighty-seven thousand, sixty-nine".