3272271721 has 2 divisors, whose sum is σ = 3272271722. Its totient is φ = 3272271720.

The previous prime is 3272271701. The next prime is 3272271791. The reversal of 3272271721 is 1271722723.

3272271721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3270581721 + 1690000 = 57189^2 + 1300^2 .

It is a cyclic number.

It is not a de Polignac number, because 3272271721 - 2¹³ = 3272263529 is a prime.

It is not a weakly prime, because it can be changed into another prime (3272271701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1636135860 + 1636135861.

It is an arithmetic number, because the mean of its divisors is an integer number (1636135861).

Almost surely, 2^3272271721 is an apocalyptic number.

It is an amenable number.

3272271721 is a deficient number, since it is larger than the sum of its proper divisors (1).

3272271721 is an equidigital number, since it uses as much as digits as its factorization.

3272271721 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16464, while the sum is 34.

The square root of 3272271721 is about 57203.7736604850. The cubic root of 3272271721 is about 1484.6239183378.

The spelling of 3272271721 in words is "three billion, two hundred seventy-two million, two hundred seventy-one thousand, seven hundred twenty-one".