27124540 has 12 divisors (see below), whose sum is σ = 56961576. Its totient is φ = 10849808.

The previous prime is 27124523. The next prime is 27124577. The reversal of 27124540 is 4542172.

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, 678094 + ... + 678133.

It is an arithmetic number, because the mean of its divisors is an integer number (4746798).

Almost surely, 2^27124540 is an apocalyptic number.

27124540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27124540 is an abundant number, since it is smaller than the sum of its proper divisors (29837036).

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

27124540 is a wasteful number, since it uses less digits than its factorization.

27124540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356236 (or 1356234 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 27124540 is about 5208.1225023995. The cubic root of 27124540 is about 300.4605518707.

The spelling of 27124540 in words is "twenty-seven million, one hundred twenty-four thousand, five hundred forty".