328272733 has 4 divisors (see below), whose sum is σ = 338862208. Its totient is φ = 317683260.

The previous prime is 328272727. The next prime is 328272739. The reversal of 328272733 is 337272823.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 337272823 = 1777 ⋅189799.

It is an interprime number because it is at equal distance from previous prime (328272727) and next prime (328272739).

It is a cyclic number.

It is not a de Polignac number, because 328272733 - 2⁵ = 328272701 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 328272692 and 328272701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328272739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5294691 + ... + 5294752.

It is an arithmetic number, because the mean of its divisors is an integer number (84715552).

Almost surely, 2^328272733 is an apocalyptic number.

It is an amenable number.

328272733 is a deficient number, since it is larger than the sum of its proper divisors (10589475).

328272733 is a wasteful number, since it uses less digits than its factorization.

328272733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10589474.

The product of its digits is 84672, while the sum is 37.

The square root of 328272733 is about 18118.2982920582. The cubic root of 328272733 is about 689.8345419978.

The spelling of 328272733 in words is "three hundred twenty-eight million, two hundred seventy-two thousand, seven hundred thirty-three".