65072328 has 32 divisors (see below), whose sum is σ = 172251360. Its totient is φ = 20414720.

The previous prime is 65072327. The next prime is 65072333. The reversal of 65072328 is 82327056.

65072328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×65072328³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (65072327) 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 7 ways as a sum of consecutive naturals, for example, 79338 + ... + 80153.

It is an arithmetic number, because the mean of its divisors is an integer number (5382855).

Almost surely, 2^65072328 is an apocalyptic number.

65072328 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

65072328 is an abundant number, since it is smaller than the sum of its proper divisors (107179032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65072328 is a wasteful number, since it uses less digits than its factorization.

65072328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159517 (or 159513 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 65072328 is about 8066.7420933113. The cubic root of 65072328 is about 402.2216544506.

The spelling of 65072328 in words is "sixty-five million, seventy-two thousand, three hundred twenty-eight".