2745724560 has 160 divisors (see below), whose sum is σ = 8874098688. Its totient is φ = 701498880.

The previous prime is 2745724559. The next prime is 2745724571. The reversal of 2745724560 is 654275472.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 764529 + ... + 768111.

Almost surely, 2^2745724560 is an apocalyptic number.

2745724560 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 2745724560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4437049344).

2745724560 is an abundant number, since it is smaller than the sum of its proper divisors (6128374128).

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

2745724560 is a wasteful number, since it uses less digits than its factorization.

2745724560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3733 (or 3727 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 42.

The square root of 2745724560 is about 52399.6618309699. The cubic root of 2745724560 is about 1400.2932310952.

The spelling of 2745724560 in words is "two billion, seven hundred forty-five million, seven hundred twenty-four thousand, five hundred sixty".