67289328 has 60 divisors (see below), whose sum is σ = 188894160. Its totient is φ = 22361088.

The previous prime is 67289311. The next prime is 67289333. The reversal of 67289328 is 82398276.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71968 + ... + 72896.

It is an arithmetic number, because the mean of its divisors is an integer number (3148236).

Almost surely, 2^67289328 is an apocalyptic number.

It is an amenable number.

67289328 is an abundant number, since it is smaller than the sum of its proper divisors (121604832).

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

67289328 is a wasteful number, since it uses less digits than its factorization.

67289328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446 (or 1437 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 67289328 is about 8203.0072534407. The cubic root of 67289328 is about 406.7386071181.

It can be divided in two parts, 672 and 89328, that added together give a square (90000 = 300²).

The spelling of 67289328 in words is "sixty-seven million, two hundred eighty-nine thousand, three hundred twenty-eight".