27345120 has 96 divisors (see below), whose sum is σ = 93985920. Its totient is φ = 6627840.

The previous prime is 27345107. The next prime is 27345121. The reversal of 27345120 is 2154372.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27345121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2691 + ... + 7869.

It is an arithmetic number, because the mean of its divisors is an integer number (979020).

Almost surely, 2^27345120 is an apocalyptic number.

27345120 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 27345120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46992960).

27345120 is an abundant number, since it is smaller than the sum of its proper divisors (66640800).

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

27345120 is a wasteful number, since it uses less digits than its factorization.

27345120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5208 (or 5200 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 27345120 is about 5229.2561612528. The cubic root of 27345120 is about 301.2728143968.

Adding to 27345120 its reverse (2154372), we get a palindrome (29499492).

The spelling of 27345120 in words is "twenty-seven million, three hundred forty-five thousand, one hundred twenty".