2740424 has 8 divisors (see below), whose sum is σ = 5138310. Its totient is φ = 1370208.

The previous prime is 2740421. The next prime is 2740453. The reversal of 2740424 is 4240472.

It can be written as a sum of positive squares in only one way, i.e., 2617924 + 122500 = 1618^2 + 350^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 2740424.

It is not an unprimeable number, because it can be changed into a prime (2740421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171269 + ... + 171284.

2^2740424 is an apocalyptic number.

It is an amenable number.

2740424 is a deficient number, since it is larger than the sum of its proper divisors (2397886).

2740424 is a wasteful number, since it uses less digits than its factorization.

2740424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342559 (or 342555 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 23.

The square root of 2740424 is about 1655.4226046542. The cubic root of 2740424 is about 139.9391572356.

Adding to 2740424 its reverse (4240472), we get a palindrome (6980896).

The spelling of 2740424 in words is "two million, seven hundred forty thousand, four hundred twenty-four".