27648975 has 12 divisors (see below), whose sum is σ = 45713096. Its totient is φ = 14746080.

The previous prime is 27648961. The next prime is 27648979. The reversal of 27648975 is 57984672.

It is not a de Polignac number, because 27648975 - 2⁶ = 27648911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27648979) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 184252 + ... + 184401.

Almost surely, 2^27648975 is an apocalyptic number.

27648975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27648975 is a deficient number, since it is larger than the sum of its proper divisors (18064121).

27648975 is a wasteful number, since it uses less digits than its factorization.

27648975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368666 (or 368661 counting only the distinct ones).

The product of its digits is 846720, while the sum is 48.

The square root of 27648975 is about 5258.2292646860. The cubic root of 27648975 is about 302.3846063978.

The spelling of 27648975 in words is "twenty-seven million, six hundred forty-eight thousand, nine hundred seventy-five".