2740024 has 32 divisors (see below), whose sum is σ = 5937120. Its totient is φ = 1161216.

The previous prime is 2739991. The next prime is 2740027. The reversal of 2740024 is 4200472.

It is a junction number, because it is equal to n+sod(n) for n = 2739983 and 2740010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2740027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6112 + ... + 6544.

It is an arithmetic number, because the mean of its divisors is an integer number (185535).

2^2740024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2740024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2968560).

2740024 is an abundant number, since it is smaller than the sum of its proper divisors (3197096).

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

2740024 is a wasteful number, since it uses less digits than its factorization.

2740024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559 (or 555 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 2740024 is about 1655.3017851739. The cubic root of 2740024 is about 139.9323482665.

Adding to 2740024 its product of nonzero digits (448), we get a palindrome (2740472).

Adding to 2740024 its reverse (4200472), we get a palindrome (6940496).

The spelling of 2740024 in words is "two million, seven hundred forty thousand, twenty-four".