2727026721 has 6 divisors (see below), whose sum is σ = 3939038610. Its totient is φ = 1818017808.

The previous prime is 2727026719. The next prime is 2727026747. The reversal of 2727026721 is 1276207272.

It can be written as a sum of positive squares in only one way, i.e., 2644016400 + 83010321 = 51420^2 + 9111^2 .

It is not a de Polignac number, because 2727026721 - 2¹ = 2727026719 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2727026791) 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, 151501476 + ... + 151501493.

It is an arithmetic number, because the mean of its divisors is an integer number (656506435).

Almost surely, 2^2727026721 is an apocalyptic number.

It is an amenable number.

2727026721 is a deficient number, since it is larger than the sum of its proper divisors (1212011889).

2727026721 is a wasteful number, since it uses less digits than its factorization.

2727026721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303002975 (or 303002972 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

The square root of 2727026721 is about 52220.9414028510. The cubic root of 2727026721 is about 1397.1074155808.

The spelling of 2727026721 in words is "two billion, seven hundred twenty-seven million, twenty-six thousand, seven hundred twenty-one".