325728733 has 12 divisors (see below), whose sum is σ = 361331740. Its totient is φ = 293388480.

The previous prime is 325728727. The next prime is 325728743. The reversal of 325728733 is 337827523.

It can be written as a sum of positive squares in 2 ways, for example, as 273340089 + 52388644 = 16533^2 + 7238^2 .

It is a de Polignac number, because none of the positive numbers 2^k-325728733 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325728703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 841 + ... + 25537.

Almost surely, 2^325728733 is an apocalyptic number.

It is an amenable number.

325728733 is a deficient number, since it is larger than the sum of its proper divisors (35603007).

325728733 is a wasteful number, since it uses less digits than its factorization.

325728733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24828 (or 24817 counting only the distinct ones).

The product of its digits is 211680, while the sum is 40.

The square root of 325728733 is about 18047.9564771195. The cubic root of 325728733 is about 688.0479258630.

The spelling of 325728733 in words is "three hundred twenty-five million, seven hundred twenty-eight thousand, seven hundred thirty-three".