27131648 has 18 divisors (see below), whose sum is σ = 54157824. Its totient is φ = 13565696.

The previous prime is 27131623. The next prime is 27131653. The reversal of 27131648 is 84613172.

It is a super-2 number, since 2×27131648² = 1472252646391808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52736 + ... + 53247.

It is an arithmetic number, because the mean of its divisors is an integer number (3008768).

Almost surely, 2^27131648 is an apocalyptic number.

It is an amenable number.

27131648 is a deficient number, since it is larger than the sum of its proper divisors (27026176).

27131648 is an equidigital number, since it uses as much as digits as its factorization.

27131648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105999 (or 105985 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 27131648 is about 5208.8048533229. The cubic root of 27131648 is about 300.4867948605.

It can be divided in two parts, 2713164 and 8, that added together give a palindrome (2713172).

The spelling of 27131648 in words is "twenty-seven million, one hundred thirty-one thousand, six hundred forty-eight".