27240630 has 64 divisors (see below), whose sum is σ = 71497728. Its totient is φ = 6612480.

The previous prime is 27240601. The next prime is 27240673. The reversal of 27240630 is 3604272.

It is a self number, because there is not a number n which added to its sum of digits gives 27240630.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14949 + ... + 16671.

It is an arithmetic number, because the mean of its divisors is an integer number (1117152).

Almost surely, 2^27240630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27240630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35748864).

27240630 is an abundant number, since it is smaller than the sum of its proper divisors (44257098).

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

27240630 is a wasteful number, since it uses less digits than its factorization.

27240630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1781.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 27240630 is about 5219.2556940621. The cubic root of 27240630 is about 300.8885876635. Note that the first 3 decimals are identical.

The spelling of 27240630 in words is "twenty-seven million, two hundred forty thousand, six hundred thirty".