27172255 has 8 divisors (see below), whose sum is σ = 35571024. Its totient is φ = 19761600.

The previous prime is 27172241. The next prime is 27172297. The reversal of 27172255 is 55227172.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27172255 - 2¹¹ = 27170207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246966 + ... + 247075.

It is an arithmetic number, because the mean of its divisors is an integer number (4446378).

Almost surely, 2^27172255 is an apocalyptic number.

27172255 is a deficient number, since it is larger than the sum of its proper divisors (8398769).

27172255 is a wasteful number, since it uses less digits than its factorization.

27172255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494057.

The product of its digits is 9800, while the sum is 31.

The square root of 27172255 is about 5212.7013150573. The cubic root of 27172255 is about 300.6366295353.

The spelling of 27172255 in words is "twenty-seven million, one hundred seventy-two thousand, two hundred fifty-five".