328572772 has 12 divisors (see below), whose sum is σ = 627275376. Its totient is φ = 149351240.

The previous prime is 328572767. The next prime is 328572773. The reversal of 328572772 is 277275823.

It is not an unprimeable number, because it can be changed into a prime (328572773) 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, 3733738 + ... + 3733825.

It is an arithmetic number, because the mean of its divisors is an integer number (52272948).

Almost surely, 2^328572772 is an apocalyptic number.

It is an amenable number.

328572772 is a deficient number, since it is larger than the sum of its proper divisors (298702604).

328572772 is a wasteful number, since it uses less digits than its factorization.

328572772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7467578 (or 7467576 counting only the distinct ones).

The product of its digits is 329280, while the sum is 43.

The square root of 328572772 is about 18126.5764004127. The cubic root of 328572772 is about 690.0446459944.

The spelling of 328572772 in words is "three hundred twenty-eight million, five hundred seventy-two thousand, seven hundred seventy-two".