2580720 has 40 divisors (see below), whose sum is σ = 8000976. Its totient is φ = 688128.

The previous prime is 2580707. The next prime is 2580737. The reversal of 2580720 is 270852.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5137 + ... + 5616.

2^2580720 is an apocalyptic number.

2580720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2580720 is an abundant number, since it is smaller than the sum of its proper divisors (5420256).

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

2580720 is a wasteful number, since it uses less digits than its factorization.

2580720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10769 (or 10763 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 2580720 is about 1606.4619509967. The cubic root of 2580720 is about 137.1661542763.

The spelling of 2580720 in words is "two million, five hundred eighty thousand, seven hundred twenty".