3272120725 has 6 divisors (see below), whose sum is σ = 4057429730. Its totient is φ = 2617696560.

The previous prime is 3272120653. The next prime is 3272120729. The reversal of 3272120725 is 5270212723.

It can be written as a sum of positive squares in 3 ways, for example, as 731053444 + 2541067281 = 27038^2 + 50409^2 .

It is not a de Polignac number, because 3272120725 - 2⁷ = 3272120597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3272120729) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 65442390 + ... + 65442439.

Almost surely, 2^3272120725 is an apocalyptic number.

It is an amenable number.

3272120725 is a deficient number, since it is larger than the sum of its proper divisors (785309005).

3272120725 is a wasteful number, since it uses less digits than its factorization.

3272120725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130884839 (or 130884834 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 3272120725 is about 57202.4538372262. The cubic root of 3272120725 is about 1484.6010824468.

The spelling of 3272120725 in words is "three billion, two hundred seventy-two million, one hundred twenty thousand, seven hundred twenty-five".