27240172 has 6 divisors (see below), whose sum is σ = 47670308. Its totient is φ = 13620084.

The previous prime is 27240151. The next prime is 27240173. The reversal of 27240172 is 27104272.

It is not an unprimeable number, because it can be changed into a prime (27240173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3405018 + ... + 3405025.

Almost surely, 2^27240172 is an apocalyptic number.

It is an amenable number.

27240172 is a deficient number, since it is larger than the sum of its proper divisors (20430136).

27240172 is a wasteful number, since it uses less digits than its factorization.

27240172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6810047 (or 6810045 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 27240172 is about 5219.2118178897. The cubic root of 27240172 is about 300.8869013620.

The spelling of 27240172 in words is "twenty-seven million, two hundred forty thousand, one hundred seventy-two".