2725616729 has 16 divisors (see below), whose sum is σ = 3061208256. Its totient is φ = 2404987200.

The previous prime is 2725616717. The next prime is 2725616731. The reversal of 2725616729 is 9276165272.

2725616729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2725616729 - 2⁴ = 2725616713 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2725636729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163394 + ... + 179300.

It is an arithmetic number, because the mean of its divisors is an integer number (191325516).

Almost surely, 2^2725616729 is an apocalyptic number.

It is an amenable number.

2725616729 is a deficient number, since it is larger than the sum of its proper divisors (335591527).

2725616729 is a wasteful number, since it uses less digits than its factorization.

2725616729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16376.

The product of its digits is 635040, while the sum is 47.

The square root of 2725616729 is about 52207.4394028284. The cubic root of 2725616729 is about 1396.8665855379.

The spelling of 2725616729 in words is "two billion, seven hundred twenty-five million, six hundred sixteen thousand, seven hundred twenty-nine".