27070087 has 4 divisors (see below), whose sum is σ = 29531016. Its totient is φ = 24609160.

The previous prime is 27070049. The next prime is 27070123. The reversal of 27070087 is 78007072.

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

It is a cyclic number.

It is not a de Polignac number, because 27070087 - 2¹⁵ = 27037319 is a prime.

It is a super-2 number, since 2×27070087² = 1465579220375138, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27070027) 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 3 ways as a sum of consecutive naturals, for example, 1230448 + ... + 1230469.

It is an arithmetic number, because the mean of its divisors is an integer number (7382754).

Almost surely, 2^27070087 is an apocalyptic number.

27070087 is a deficient number, since it is larger than the sum of its proper divisors (2460929).

27070087 is a wasteful number, since it uses less digits than its factorization.

27070087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2460928.

The product of its (nonzero) digits is 5488, while the sum is 31.

The square root of 27070087 is about 5202.8921764726. The cubic root of 27070087 is about 300.2593571963.

The spelling of 27070087 in words is "twenty-seven million, seventy thousand, eighty-seven".