27945379 has 8 divisors (see below), whose sum is σ = 34841088. Its totient is φ = 21775560.

The previous prime is 27945367. The next prime is 27945383. The reversal of 27945379 is 97354972.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27945379 - 2⁵ = 27945347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27945319) 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 7 ways as a sum of consecutive naturals, for example, 181387 + ... + 181540.

It is an arithmetic number, because the mean of its divisors is an integer number (4355136).

Almost surely, 2^27945379 is an apocalyptic number.

27945379 is a deficient number, since it is larger than the sum of its proper divisors (6895709).

27945379 is a wasteful number, since it uses less digits than its factorization.

27945379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362945.

The product of its digits is 476280, while the sum is 46.

The square root of 27945379 is about 5286.3389032486. The cubic root of 27945379 is about 303.4613144557.

The spelling of 27945379 in words is "twenty-seven million, nine hundred forty-five thousand, three hundred seventy-nine".