2727240 has 32 divisors (see below), whose sum is σ = 8182080. Its totient is φ = 727232.

The previous prime is 2727239. The next prime is 2727253. The reversal of 2727240 is 427272.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2727240.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11244 + ... + 11483.

It is an arithmetic number, because the mean of its divisors is an integer number (255690).

2^2727240 is an apocalyptic number.

2727240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2727240 is an abundant number, since it is smaller than the sum of its proper divisors (5454840).

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

2727240 is a wasteful number, since it uses less digits than its factorization.

2727240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22741 (or 22737 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 24.

The square root of 2727240 is about 1651.4357389859. The cubic root of 2727240 is about 139.7143836921.

Subtracting from 2727240 its reverse (427272), we obtain a cube (2299968 = 132³).

The spelling of 2727240 in words is "two million, seven hundred twenty-seven thousand, two hundred forty".