27484020 has 72 divisors (see below), whose sum is σ = 84206304. Its totient is φ = 7255488.

The previous prime is 27483997. The next prime is 27484031. The reversal of 27484020 is 2048472.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18547 + ... + 19973.

It is an arithmetic number, because the mean of its divisors is an integer number (1169532).

Almost surely, 2^27484020 is an apocalyptic number.

27484020 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 27484020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42103152).

27484020 is an abundant number, since it is smaller than the sum of its proper divisors (56722284).

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

27484020 is a wasteful number, since it uses less digits than its factorization.

27484020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1549 (or 1544 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 27484020 is about 5242.5203862265. The cubic root of 27484020 is about 301.7820599143.

The spelling of 27484020 in words is "twenty-seven million, four hundred eighty-four thousand, twenty".