27527997 has 16 divisors (see below), whose sum is σ = 42342912. Its totient is φ = 15582000.

The previous prime is 27527971. The next prime is 27528001. The reversal of 27527997 is 79972572.

It is not a de Polignac number, because 27527997 - 2¹⁰ = 27526973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27527957) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3879 + ... + 8372.

It is an arithmetic number, because the mean of its divisors is an integer number (2646432).

Almost surely, 2^27527997 is an apocalyptic number.

It is an amenable number.

27527997 is a deficient number, since it is larger than the sum of its proper divisors (14814915).

27527997 is a wasteful number, since it uses less digits than its factorization.

27527997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12368.

The product of its digits is 555660, while the sum is 48.

The square root of 27527997 is about 5246.7129709943. The cubic root of 27527997 is about 301.9429339713.

The spelling of 27527997 in words is "twenty-seven million, five hundred twenty-seven thousand, nine hundred ninety-seven".