3272729 has 2 divisors, whose sum is σ = 3272730. Its totient is φ = 3272728.

The previous prime is 3272723. The next prime is 3272741. The reversal of 3272729 is 9272723.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3168400 + 104329 = 1780^2 + 323^2 .

It is a cyclic number.

It is not a de Polignac number, because 3272729 - 2⁴ = 3272713 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 3272695 and 3272704.

It is not a weakly prime, because it can be changed into another prime (3272723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1636364 + 1636365.

It is an arithmetic number, because the mean of its divisors is an integer number (1636365).

Almost surely, 2^3272729 is an apocalyptic number.

It is an amenable number.

3272729 is a deficient number, since it is larger than the sum of its proper divisors (1).

3272729 is an equidigital number, since it uses as much as digits as its factorization.

3272729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10584, while the sum is 32.

The square root of 3272729 is about 1809.0685448595. The cubic root of 3272729 is about 148.4693070676.

The spelling of 3272729 in words is "three million, two hundred seventy-two thousand, seven hundred twenty-nine".