27930305 has 16 divisors (see below), whose sum is σ = 36711360. Its totient is φ = 20273088.

The previous prime is 27930283. The next prime is 27930341. The reversal of 27930305 is 50303972.

It is a cyclic number.

It is not a de Polignac number, because 27930305 - 2⁶ = 27930241 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194 + ... + 7476.

It is an arithmetic number, because the mean of its divisors is an integer number (2294460).

Almost surely, 2^27930305 is an apocalyptic number.

It is an amenable number.

27930305 is a deficient number, since it is larger than the sum of its proper divisors (8781055).

27930305 is a wasteful number, since it uses less digits than its factorization.

27930305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7360.

The product of its (nonzero) digits is 5670, while the sum is 29.

The square root of 27930305 is about 5284.9129604942. The cubic root of 27930305 is about 303.4067413474.

The spelling of 27930305 in words is "twenty-seven million, nine hundred thirty thousand, three hundred five".