27245340 has 72 divisors (see below), whose sum is σ = 86250528. Its totient is φ = 6948480.

The previous prime is 27245333. The next prime is 27245347. The reversal of 27245340 is 4354272.

It is an interprime number because it is at equal distance from previous prime (27245333) and next prime (27245347).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27245347) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 850 + ... + 7430.

It is an arithmetic number, because the mean of its divisors is an integer number (1197924).

Almost surely, 2^27245340 is an apocalyptic number.

27245340 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 27245340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43125264).

27245340 is an abundant number, since it is smaller than the sum of its proper divisors (59005188).

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

27245340 is a wasteful number, since it uses less digits than its factorization.

27245340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6619 (or 6614 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 27245340 is about 5219.7068883224. The cubic root of 27245340 is about 300.9059282265.

The spelling of 27245340 in words is "twenty-seven million, two hundred forty-five thousand, three hundred forty".