27540245 has 8 divisors (see below), whose sum is σ = 34114560. Its totient is φ = 21321360.

The previous prime is 27540239. The next prime is 27540257. The reversal of 27540245 is 54204572.

It is a happy number.

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

It is not a de Polignac number, because 27540245 - 2⁶ = 27540181 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88685 + ... + 88994.

It is an arithmetic number, because the mean of its divisors is an integer number (4264320).

Almost surely, 2^27540245 is an apocalyptic number.

It is an amenable number.

27540245 is a deficient number, since it is larger than the sum of its proper divisors (6574315).

27540245 is a wasteful number, since it uses less digits than its factorization.

27540245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177715.

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 27540245 is about 5247.8800481718. The cubic root of 27540245 is about 301.9877083721.

The spelling of 27540245 in words is "twenty-seven million, five hundred forty thousand, two hundred forty-five".