2824720 has 80 divisors (see below), whose sum is σ = 7285248. Its totient is φ = 1013760.

The previous prime is 2824709. The next prime is 2824721. The reversal of 2824720 is 274282.

2824720 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (2824721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42127 + ... + 42193.

2^2824720 is an apocalyptic number.

2824720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2824720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3642624).

2824720 is an abundant number, since it is smaller than the sum of its proper divisors (4460528).

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

2824720 is a wasteful number, since it uses less digits than its factorization.

2824720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 2824720 is about 1680.6903343567. The cubic root of 2824720 is about 141.3595438118.

The spelling of 2824720 in words is "two million, eight hundred twenty-four thousand, seven hundred twenty".