2720560 has 40 divisors (see below), whose sum is σ = 6535296. Its totient is φ = 1052160.

The previous prime is 2720551. The next prime is 2720563. The reversal of 2720560 is 650272.

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

It is not an unprimeable number, because it can be changed into a prime (2720563) 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, 1932 + ... + 3028.

2^2720560 is an apocalyptic number.

2720560 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 2720560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3267648).

2720560 is an abundant number, since it is smaller than the sum of its proper divisors (3814736).

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

2720560 is a wasteful number, since it uses less digits than its factorization.

2720560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141 (or 1135 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 2720560 is about 1649.4120164471. The cubic root of 2720560 is about 139.6002200307.

The spelling of 2720560 in words is "two million, seven hundred twenty thousand, five hundred sixty".