27538972 has 6 divisors (see below), whose sum is σ = 48193208. Its totient is φ = 13769484.

The previous prime is 27538957. The next prime is 27538991. The reversal of 27538972 is 27983572.

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 as a sum of consecutive naturals, namely, 3442368 + ... + 3442375.

Almost surely, 2^27538972 is an apocalyptic number.

It is an amenable number.

27538972 is a deficient number, since it is larger than the sum of its proper divisors (20654236).

27538972 is a wasteful number, since it uses less digits than its factorization.

27538972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6884747 (or 6884745 counting only the distinct ones).

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

The square root of 27538972 is about 5247.7587596992. The cubic root of 27538972 is about 301.9830553480.

The spelling of 27538972 in words is "twenty-seven million, five hundred thirty-eight thousand, nine hundred seventy-two".