27305340 has 48 divisors (see below), whose sum is σ = 77390208. Its totient is φ = 7192384.

The previous prime is 27305339. The next prime is 27305353. The reversal of 27305340 is 4350372.

It is a self number, because there is not a number n which added to its sum of digits gives 27305340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2239 + ... + 7721.

It is an arithmetic number, because the mean of its divisors is an integer number (1612296).

Almost surely, 2^27305340 is an apocalyptic number.

27305340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27305340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38695104).

27305340 is an abundant number, since it is smaller than the sum of its proper divisors (50084868).

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

27305340 is a wasteful number, since it uses less digits than its factorization.

27305340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5578 (or 5576 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 27305340 is about 5225.4511766928. The cubic root of 27305340 is about 301.1266524398.

The spelling of 27305340 in words is "twenty-seven million, three hundred five thousand, three hundred forty".