27725938 has 4 divisors (see below), whose sum is σ = 41588910. Its totient is φ = 13862968.

The previous prime is 27725917. The next prime is 27725941. The reversal of 27725938 is 83952772.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 27112849 + 613089 = 5207^2 + 783^2 .

It is a junction number, because it is equal to n+sod(n) for n = 27725894 and 27725903.

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 as a sum of consecutive naturals, namely, 6931483 + ... + 6931486.

Almost surely, 2^27725938 is an apocalyptic number.

27725938 is a deficient number, since it is larger than the sum of its proper divisors (13862972).

27725938 is a wasteful number, since it uses less digits than its factorization.

27725938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13862971.

The product of its digits is 211680, while the sum is 43.

The square root of 27725938 is about 5265.5425171581. The cubic root of 27725938 is about 302.6649165633.

The spelling of 27725938 in words is "twenty-seven million, seven hundred twenty-five thousand, nine hundred thirty-eight".