2740304 has 40 divisors (see below), whose sum is σ = 6219840. Its totient is φ = 1145088.

The previous prime is 2740301. The next prime is 2740319. The reversal of 2740304 is 4030472.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2740301) 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, 4532 + ... + 5100.

It is an arithmetic number, because the mean of its divisors is an integer number (155496).

2^2740304 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 2740304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3109920).

2740304 is an abundant number, since it is smaller than the sum of its proper divisors (3479536).

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

2740304 is a wasteful number, since it uses less digits than its factorization.

2740304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627 (or 621 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 2740304 is about 1655.3863597360. The cubic root of 2740304 is about 139.9371146144.

Adding to 2740304 its reverse (4030472), we get a palindrome (6770776).

The spelling of 2740304 in words is "two million, seven hundred forty thousand, three hundred four".