27725925 has 24 divisors (see below), whose sum is σ = 47836224. Its totient is φ = 14143360.

The previous prime is 27725917. The next prime is 27725941. The reversal of 27725925 is 52952772.

It is not a de Polignac number, because 27725925 - 2³ = 27725917 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6312 + ... + 9761.

It is an arithmetic number, because the mean of its divisors is an integer number (1993176).

Almost surely, 2^27725925 is an apocalyptic number.

27725925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27725925 is a deficient number, since it is larger than the sum of its proper divisors (20110299).

27725925 is a wasteful number, since it uses less digits than its factorization.

27725925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16109 (or 16104 counting only the distinct ones).

The product of its digits is 88200, while the sum is 39.

The square root of 27725925 is about 5265.5412827173. The cubic root of 27725925 is about 302.6648692593.

The spelling of 27725925 in words is "twenty-seven million, seven hundred twenty-five thousand, nine hundred twenty-five".