27272151 has 12 divisors (see below), whose sum is σ = 40751880. Its totient is φ = 17554320.

The previous prime is 27272129. The next prime is 27272159. The reversal of 27272151 is 15127272.

It is a de Polignac number, because none of the positive numbers 2^k-27272151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27272159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51985 + ... + 52506.

It is an arithmetic number, because the mean of its divisors is an integer number (3395990).

Almost surely, 2^27272151 is an apocalyptic number.

27272151 is a deficient number, since it is larger than the sum of its proper divisors (13479729).

27272151 is a wasteful number, since it uses less digits than its factorization.

27272151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104526 (or 104523 counting only the distinct ones).

The product of its digits is 1960, while the sum is 27.

The square root of 27272151 is about 5222.2745044664. The cubic root of 27272151 is about 301.0045988488.

The spelling of 27272151 in words is "twenty-seven million, two hundred seventy-two thousand, one hundred fifty-one".