27893925 has 18 divisors (see below), whose sum is σ = 49961522. Its totient is φ = 14876640.

The previous prime is 27893903. The next prime is 27893927. The reversal of 27893925 is 52939872.

It can be written as a sum of positive squares in 3 ways, for example, as 3272481 + 24621444 = 1809^2 + 4962^2 .

It is not a de Polignac number, because 27893925 - 2⁶ = 27893861 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27893927) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 61762 + ... + 62211.

Almost surely, 2^27893925 is an apocalyptic number.

27893925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27893925 is a deficient number, since it is larger than the sum of its proper divisors (22067597).

27893925 is a wasteful number, since it uses less digits than its factorization.

27893925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123989 (or 123981 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 27893925 is about 5281.4699658334. The cubic root of 27893925 is about 303.2749522014.

The spelling of 27893925 in words is "twenty-seven million, eight hundred ninety-three thousand, nine hundred twenty-five".