2712240 has 60 divisors (see below), whose sum is σ = 9111024. Its totient is φ = 723072.

The previous prime is 2712239. The next prime is 2712251. The reversal of 2712240 is 422172.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 12.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1164 + ... + 2603.

2^2712240 is an apocalyptic number.

2712240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2712240 is an abundant number, since it is smaller than the sum of its proper divisors (6398784).

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

2712240 is a wasteful number, since it uses less digits than its factorization.

2712240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3786 (or 3777 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 2712240 is about 1646.8879743322. The cubic root of 2712240 is about 139.4577665345.

The spelling of 2712240 in words is "two million, seven hundred twelve thousand, two hundred forty".