2720565312 has 84 divisors (see below), whose sum is σ = 7597146096. Its totient is φ = 859104000.

The previous prime is 2720565307. The next prime is 2720565319. The reversal of 2720565312 is 2135650272.

It is not an unprimeable number, because it can be changed into a prime (2720565319) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49687 + ... + 88937.

Almost surely, 2^2720565312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2720565312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3798573048).

2720565312 is an abundant number, since it is smaller than the sum of its proper divisors (4876580784).

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

2720565312 is a wasteful number, since it uses less digits than its factorization.

2720565312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39304 (or 39275 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 2720565312 is about 52159.0386414474. The cubic root of 2720565312 is about 1396.0031088893.

The spelling of 2720565312 in words is "two billion, seven hundred twenty million, five hundred sixty-five thousand, three hundred twelve".