27172132 has 12 divisors (see below), whose sum is σ = 51209116. Its totient is φ = 12540960.

The previous prime is 27172111. The next prime is 27172139. The reversal of 27172132 is 23127172.

It can be written as a sum of positive squares in 2 ways, for example, as 5044516 + 22127616 = 2246^2 + 4704^2 .

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 27172097 and 27172106.

It is not an unprimeable number, because it can be changed into a prime (27172139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261219 + ... + 261322.

Almost surely, 2^27172132 is an apocalyptic number.

It is an amenable number.

27172132 is a deficient number, since it is larger than the sum of its proper divisors (24036984).

27172132 is a wasteful number, since it uses less digits than its factorization.

27172132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522558 (or 522556 counting only the distinct ones).

The product of its digits is 1176, while the sum is 25.

The square root of 27172132 is about 5212.6895169384. The cubic root of 27172132 is about 300.6361759064.

The spelling of 27172132 in words is "twenty-seven million, one hundred seventy-two thousand, one hundred thirty-two".