27361689 has 4 divisors (see below), whose sum is σ = 36482256. Its totient is φ = 18241124.

The previous prime is 27361679. The next prime is 27361693. The reversal of 27361689 is 98616372.

It is a happy number.

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 27361689 - 2⁴ = 27361673 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27361689.

It is not an unprimeable number, because it can be changed into a prime (27361679) 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, 4560279 + ... + 4560284.

It is an arithmetic number, because the mean of its divisors is an integer number (9120564).

Almost surely, 2^27361689 is an apocalyptic number.

It is an amenable number.

27361689 is a deficient number, since it is larger than the sum of its proper divisors (9120567).

27361689 is an equidigital number, since it uses as much as digits as its factorization.

27361689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9120566.

The product of its digits is 108864, while the sum is 42.

The square root of 27361689 is about 5230.8401810799. The cubic root of 27361689 is about 301.3336513504. Note that the first 3 decimals are identical.

The spelling of 27361689 in words is "twenty-seven million, three hundred sixty-one thousand, six hundred eighty-nine".