2725284720 has 80 divisors (see below), whose sum is σ = 8815721472. Its totient is φ = 695143680.

The previous prime is 2725284701. The next prime is 2725284761. The reversal of 2725284720 is 274825272.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241336 + ... + 252375.

Almost surely, 2^2725284720 is an apocalyptic number.

2725284720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2725284720 is an abundant number, since it is smaller than the sum of its proper divisors (6090436752).

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

2725284720 is a wasteful number, since it uses less digits than its factorization.

2725284720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493750 (or 493744 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 39.

The square root of 2725284720 is about 52204.2595963203. The cubic root of 2725284720 is about 1396.8098655174.

The spelling of 2725284720 in words is "two billion, seven hundred twenty-five million, two hundred eighty-four thousand, seven hundred twenty".