2724140 has 12 divisors (see below), whose sum is σ = 5720736. Its totient is φ = 1089648.

The previous prime is 2724121. The next prime is 2724151. The reversal of 2724140 is 414272.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 136207 = 2724140 / (2 + 7 + 2 + 4 + 1 + 4 + 0).

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, 68084 + ... + 68123.

It is an arithmetic number, because the mean of its divisors is an integer number (476728).

2^2724140 is an apocalyptic number.

2724140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2724140 is an abundant number, since it is smaller than the sum of its proper divisors (2996596).

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

2724140 is a wasteful number, since it uses less digits than its factorization.

2724140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136216 (or 136214 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 2724140 is about 1650.4968948774. The cubic root of 2724140 is about 139.6614267592.

The spelling of 2724140 in words is "two million, seven hundred twenty-four thousand, one hundred forty".