27452940 has 96 divisors (see below), whose sum is σ = 80015040. Its totient is φ = 7028736.

The previous prime is 27452923. The next prime is 27452941. The reversal of 27452940 is 4925472.

It is not an unprimeable number, because it can be changed into a prime (27452941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 282972 + ... + 283068.

It is an arithmetic number, because the mean of its divisors is an integer number (833490).

Almost surely, 2^27452940 is an apocalyptic number.

27452940 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 27452940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40007520).

27452940 is an abundant number, since it is smaller than the sum of its proper divisors (52562100).

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

27452940 is a wasteful number, since it uses less digits than its factorization.

27452940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251 (or 249 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 27452940 is about 5239.5553246435. Note that the first 3 decimals coincide. The cubic root of 27452940 is about 301.6682613728.

The spelling of 27452940 in words is "twenty-seven million, four hundred fifty-two thousand, nine hundred forty".