27240628 has 12 divisors (see below), whose sum is σ = 49315140. Its totient is φ = 13150592.

The previous prime is 27240601. The next prime is 27240673. The reversal of 27240628 is 82604272.

It can be written as a sum of positive squares in 2 ways, for example, as 4848804 + 22391824 = 2202^2 + 4732^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 27240628.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117301 + ... + 117532.

It is an arithmetic number, because the mean of its divisors is an integer number (4109595).

Almost surely, 2^27240628 is an apocalyptic number.

It is an amenable number.

27240628 is a deficient number, since it is larger than the sum of its proper divisors (22074512).

27240628 is a wasteful number, since it uses less digits than its factorization.

27240628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234866 (or 234864 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 27240628 is about 5219.2555024639. The cubic root of 27240628 is about 300.8885802998. Note that the first 3 decimals are identical.

The spelling of 27240628 in words is "twenty-seven million, two hundred forty thousand, six hundred twenty-eight".