2725851720 has 64 divisors (see below), whose sum is σ = 8607960000. Its totient is φ = 688635648.

The previous prime is 2725851719. The next prime is 2725851769. The reversal of 2725851720 is 271585272.

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, 595495 + ... + 600054.

It is an arithmetic number, because the mean of its divisors is an integer number (134499375).

Almost surely, 2^2725851720 is an apocalyptic number.

2725851720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2725851720 is an abundant number, since it is smaller than the sum of its proper divisors (5882108280).

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

2725851720 is a wasteful number, since it uses less digits than its factorization.

2725851720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195582 (or 1195578 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 39.

The square root of 2725851720 is about 52209.6899052274. The cubic root of 2725851720 is about 1396.9067283356.

The spelling of 2725851720 in words is "two billion, seven hundred twenty-five million, eight hundred fifty-one thousand, seven hundred twenty".