27947425 has 12 divisors (see below), whose sum is σ = 37805616. Its totient is φ = 20325200.

The previous prime is 27947419. The next prime is 27947441. The reversal of 27947425 is 52474972.

It is not a de Polignac number, because 27947425 - 2⁹ = 27946913 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50539 + ... + 51088.

It is an arithmetic number, because the mean of its divisors is an integer number (3150468).

Almost surely, 2^27947425 is an apocalyptic number.

27947425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27947425 is a deficient number, since it is larger than the sum of its proper divisors (9858191).

27947425 is a wasteful number, since it uses less digits than its factorization.

27947425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101648 (or 101643 counting only the distinct ones).

The product of its digits is 141120, while the sum is 40.

The square root of 27947425 is about 5286.5324173791. The cubic root of 27947425 is about 303.4687201727.

The spelling of 27947425 in words is "twenty-seven million, nine hundred forty-seven thousand, four hundred twenty-five".