27047090 has 32 divisors (see below), whose sum is σ = 56830464. Its totient is φ = 9074880.

The previous prime is 27047047. The next prime is 27047099. The reversal of 27047090 is 9074072.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (27047099) 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 15 ways as a sum of consecutive naturals, for example, 821 + ... + 7400.

It is an arithmetic number, because the mean of its divisors is an integer number (1775952).

Almost surely, 2^27047090 is an apocalyptic number.

27047090 is an abundant number, since it is smaller than the sum of its proper divisors (29783374).

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

27047090 is a wasteful number, since it uses less digits than its factorization.

27047090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8282.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 27047090 is about 5200.6816860869. The cubic root of 27047090 is about 300.1743061124.

The spelling of 27047090 in words is "twenty-seven million, forty-seven thousand, ninety".