27540987 has 8 divisors (see below), whose sum is σ = 37713936. Its totient is φ = 17864352.

The previous prime is 27540967. The next prime is 27540991. The reversal of 27540987 is 78904572.

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

It is not a de Polignac number, because 27540987 - 2⁷ = 27540859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27540967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123948 + ... + 124169.

It is an arithmetic number, because the mean of its divisors is an integer number (4714242).

Almost surely, 2^27540987 is an apocalyptic number.

27540987 is a deficient number, since it is larger than the sum of its proper divisors (10172949).

27540987 is a wasteful number, since it uses less digits than its factorization.

27540987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248157.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 27540987 is about 5247.9507429091. The cubic root of 27540987 is about 301.9904204379.

The spelling of 27540987 in words is "twenty-seven million, five hundred forty thousand, nine hundred eighty-seven".