27009073 has 36 divisors (see below), whose sum is σ = 35955840. Its totient is φ = 19858176.

The previous prime is 27009071. The next prime is 27009109. The reversal of 27009073 is 37090072.

It is a happy number.

It is not a de Polignac number, because 27009073 - 2¹ = 27009071 is a prime.

It is a Duffinian 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 35 ways as a sum of consecutive naturals, for example, 341848 + ... + 341926.

Almost surely, 2^27009073 is an apocalyptic number.

It is an amenable number.

27009073 is a deficient number, since it is larger than the sum of its proper divisors (8946767).

27009073 is a wasteful number, since it uses less digits than its factorization.

27009073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 116 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 28.

The square root of 27009073 is about 5197.0253992067. The cubic root of 27009073 is about 300.0335999404.

The spelling of 27009073 in words is "twenty-seven million, nine thousand, seventy-three".