27489952 has 48 divisors (see below), whose sum is σ = 65499840. Its totient is φ = 11086848.

The previous prime is 27489937. The next prime is 27489953. The reversal of 27489952 is 25998472.

It is not an unprimeable number, because it can be changed into a prime (27489953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199 + ... + 7417.

It is an arithmetic number, because the mean of its divisors is an integer number (1364580).

Almost surely, 2^27489952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27489952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32749920).

27489952 is an abundant number, since it is smaller than the sum of its proper divisors (38009888).

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

27489952 is a wasteful number, since it uses less digits than its factorization.

27489952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7253 (or 7245 counting only the distinct ones).

The product of its digits is 362880, while the sum is 46.

The square root of 27489952 is about 5243.0861141126. The cubic root of 27489952 is about 301.8037700135.

It can be divided in two parts, 27489 and 952, that added together give a triangular number (28441 = T₂₃₈).

The spelling of 27489952 in words is "twenty-seven million, four hundred eighty-nine thousand, nine hundred fifty-two".