2720105568 has 36 divisors (see below), whose sum is σ = 7735301028. Its totient is φ = 906701760.

The previous prime is 2720105561. The next prime is 2720105581. The reversal of 2720105568 is 8655010272.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2720105561) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4722118 + ... + 4722693.

It is an arithmetic number, because the mean of its divisors is an integer number (214869473).

Almost surely, 2^2720105568 is an apocalyptic number.

It is an amenable number.

2720105568 is an abundant number, since it is smaller than the sum of its proper divisors (5015195460).

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

2720105568 is a wasteful number, since it uses less digits than its factorization.

2720105568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9444827 (or 9444816 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 2720105568 is about 52154.6313188004. The cubic root of 2720105568 is about 1395.9244683452.

The spelling of 2720105568 in words is "two billion, seven hundred twenty million, one hundred five thousand, five hundred sixty-eight".