27009061 has 4 divisors (see below), whose sum is σ = 28183392. Its totient is φ = 25834732.

The previous prime is 27009049. The next prime is 27009071. The reversal of 27009061 is 16090072.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27009061 - 2⁹ = 27008549 is a prime.

It is a super-2 number, since 2×27009061² = 1458978752203442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27009071) 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, 587131 + ... + 587176.

It is an arithmetic number, because the mean of its divisors is an integer number (7045848).

Almost surely, 2^27009061 is an apocalyptic number.

It is an amenable number.

27009061 is a deficient number, since it is larger than the sum of its proper divisors (1174331).

27009061 is a wasteful number, since it uses less digits than its factorization.

27009061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174330.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 27009061 is about 5197.0242447000. The cubic root of 27009061 is about 300.0335555059.

The spelling of 27009061 in words is "twenty-seven million, nine thousand, sixty-one".