27642648 has 32 divisors (see below), whose sum is σ = 75389760. Its totient is φ = 8376480.

The previous prime is 27642647. The next prime is 27642649. The reversal of 27642648 is 84624672.

It is an interprime number because it is at equal distance from previous prime (27642647) and next prime (27642649).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27642647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52090 + ... + 52617.

It is an arithmetic number, because the mean of its divisors is an integer number (2355930).

Almost surely, 2^27642648 is an apocalyptic number.

It is an amenable number.

27642648 is an abundant number, since it is smaller than the sum of its proper divisors (47747112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27642648 is a wasteful number, since it uses less digits than its factorization.

27642648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104727 (or 104723 counting only the distinct ones).

The product of its digits is 129024, while the sum is 39.

The square root of 27642648 is about 5257.6276018752. The cubic root of 27642648 is about 302.3615394383.

It can be divided in two parts, 276 and 42648, that added together give a palindrome (42924).

The spelling of 27642648 in words is "twenty-seven million, six hundred forty-two thousand, six hundred forty-eight".