3272728399 has 2 divisors, whose sum is σ = 3272728400. Its totient is φ = 3272728398.

The previous prime is 3272728369. The next prime is 3272728447. The reversal of 3272728399 is 9938272723.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3272728399 - 2²⁵ = 3239173967 is a prime.

It is a super-2 number, since 2×3272728399² = 21421502347242206402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3272728309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1636364199 + 1636364200.

It is an arithmetic number, because the mean of its divisors is an integer number (1636364200).

Almost surely, 2^3272728399 is an apocalyptic number.

3272728399 is a deficient number, since it is larger than the sum of its proper divisors (1).

3272728399 is an equidigital number, since it uses as much as digits as its factorization.

3272728399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2286144, while the sum is 52.

The square root of 3272728399 is about 57207.7651984414. The cubic root of 3272728399 is about 1484.6929797933.

The spelling of 3272728399 in words is "three billion, two hundred seventy-two million, seven hundred twenty-eight thousand, three hundred ninety-nine".