27087930 has 24 divisors (see below), whose sum is σ = 70428852. Its totient is φ = 7223424.

The previous prime is 27087913. The next prime is 27087937. The reversal of 27087930 is 3978072.

It can be written as a sum of positive squares in 2 ways, for example, as 26101881 + 986049 = 5109^2 + 993^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (27087937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 150399 + ... + 150578.

Almost surely, 2^27087930 is an apocalyptic number.

27087930 is an abundant number, since it is smaller than the sum of its proper divisors (43340922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27087930 is a wasteful number, since it uses less digits than its factorization.

27087930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300990 (or 300987 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 27087930 is about 5204.6066133763. The cubic root of 27087930 is about 300.3253137756.

The spelling of 27087930 in words is "twenty-seven million, eighty-seven thousand, nine hundred thirty".