27540530 has 8 divisors (see below), whose sum is σ = 49572972. Its totient is φ = 11016208.

The previous prime is 27540497. The next prime is 27540553. The reversal of 27540530 is 3504572.

It can be written as a sum of positive squares in 2 ways, for example, as 25816561 + 1723969 = 5081^2 + 1313^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 27540530.

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 3 ways as a sum of consecutive naturals, for example, 1377017 + ... + 1377036.

Almost surely, 2^27540530 is an apocalyptic number.

27540530 is a deficient number, since it is larger than the sum of its proper divisors (22032442).

27540530 is a wasteful number, since it uses less digits than its factorization.

27540530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2754060.

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 27540530 is about 5247.9072019234. The cubic root of 27540530 is about 301.9887500743.

The spelling of 27540530 in words is "twenty-seven million, five hundred forty thousand, five hundred thirty".