27005240 has 16 divisors (see below), whose sum is σ = 60761880. Its totient is φ = 10802080.

The previous prime is 27005233. The next prime is 27005263. The reversal of 27005240 is 4250072.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 337526 + ... + 337605.

Almost surely, 2^27005240 is an apocalyptic number.

27005240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27005240 is an abundant number, since it is smaller than the sum of its proper divisors (33756640).

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

27005240 is a wasteful number, since it uses less digits than its factorization.

27005240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675142 (or 675138 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 27005240 is about 5196.6566174801. The cubic root of 27005240 is about 300.0194061521.

The spelling of 27005240 in words is "twenty-seven million, five thousand, two hundred forty".