27366145 has 4 divisors (see below), whose sum is σ = 32839380. Its totient is φ = 21892912.

The previous prime is 27366139. The next prime is 27366191. The reversal of 27366145 is 54166372.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16548624 + 10817521 = 4068^2 + 3289^2 .

It is a cyclic number.

It is not a de Polignac number, because 27366145 - 2⁹ = 27365633 is a prime.

It is a super-2 number, since 2×27366145² = 1497811784322050, 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 27366145.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2736610 + ... + 2736619.

It is an arithmetic number, because the mean of its divisors is an integer number (8209845).

Almost surely, 2^27366145 is an apocalyptic number.

It is an amenable number.

27366145 is a deficient number, since it is larger than the sum of its proper divisors (5473235).

27366145 is an equidigital number, since it uses as much as digits as its factorization.

27366145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5473234.

The product of its digits is 30240, while the sum is 34.

The square root of 27366145 is about 5231.2660991389. The cubic root of 27366145 is about 301.3500084043.

The spelling of 27366145 in words is "twenty-seven million, three hundred sixty-six thousand, one hundred forty-five".