2880720 has 60 divisors (see below), whose sum is σ = 9676836. Its totient is φ = 768000.

The previous prime is 2880719. The next prime is 2880733. The reversal of 2880720 is 270882.

It can be written as a sum of positive squares in 2 ways, for example, as 484416 + 2396304 = 696^2 + 1548^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1281 + ... + 2720.

2^2880720 is an apocalyptic number.

2880720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2880720 is an abundant number, since it is smaller than the sum of its proper divisors (6796116).

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

2880720 is a wasteful number, since it uses less digits than its factorization.

2880720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4020 (or 4011 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 2880720 is about 1697.2683936255. The cubic root of 2880720 is about 142.2875875027.

It can be divided in two parts, 2880 and 720, that multiplied together give a square (2073600 = 1440²).

The spelling of 2880720 in words is "two million, eight hundred eighty thousand, seven hundred twenty".