27040530 has 64 divisors (see below), whose sum is σ = 71912448. Its totient is φ = 6452160.

The previous prime is 27040529. The next prime is 27040537. The reversal of 27040530 is 3504072.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 27040497 and 27040506.

It is not an unprimeable number, because it can be changed into a prime (27040537) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21499 + ... + 22721.

It is an arithmetic number, because the mean of its divisors is an integer number (1123632).

Almost surely, 2^27040530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27040530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35956224).

27040530 is an abundant number, since it is smaller than the sum of its proper divisors (44871918).

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

27040530 is a wasteful number, since it uses less digits than its factorization.

27040530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 27040530 is about 5200.0509612887. The cubic root of 27040530 is about 300.1500360625.

The spelling of 27040530 in words is "twenty-seven million, forty thousand, five hundred thirty".