27242587 has 4 divisors (see below), whose sum is σ = 27441576. Its totient is φ = 27043600.

The previous prime is 27242549. The next prime is 27242617. The reversal of 27242587 is 78524272.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27242587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27242287) 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, 99289 + ... + 99562.

It is an arithmetic number, because the mean of its divisors is an integer number (6860394).

Almost surely, 2^27242587 is an apocalyptic number.

27242587 is a deficient number, since it is larger than the sum of its proper divisors (198989).

27242587 is a wasteful number, since it uses less digits than its factorization.

27242587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198988.

The product of its digits is 62720, while the sum is 37.

The square root of 27242587 is about 5219.4431695345. The cubic root of 27242587 is about 300.8957928917.

The spelling of 27242587 in words is "twenty-seven million, two hundred forty-two thousand, five hundred eighty-seven".