2725902720 has 160 divisors (see below), whose sum is σ = 9734875920. Its totient is φ = 726893568.

The previous prime is 2725902703. The next prime is 2725902733. The reversal of 2725902720 is 272095272.

2725902720 is a `hidden beast` number, since 27 + 2 + 590 + 27 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (160).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 25549 + ... + 78131.

Almost surely, 2^2725902720 is an apocalyptic number.

2725902720 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 2725902720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4867437960).

2725902720 is an abundant number, since it is smaller than the sum of its proper divisors (7008973200).

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

2725902720 is an equidigital number, since it uses as much as digits as its factorization.

2725902720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52614 (or 52593 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 2725902720 is about 52210.1783180253. The cubic root of 2725902720 is about 1396.9154402057.

Adding to 2725902720 its reverse (272095272), we get a palindrome (2997997992).

The spelling of 2725902720 in words is "two billion, seven hundred twenty-five million, nine hundred two thousand, seven hundred twenty".