68636328 has 16 divisors (see below), whose sum is σ = 171590880. Its totient is φ = 22878768.

The previous prime is 68636317. The next prime is 68636329. The reversal of 68636328 is 82363686.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 68636328.

It is not an unprimeable number, because it can be changed into a prime (68636329) 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, 1429900 + ... + 1429947.

It is an arithmetic number, because the mean of its divisors is an integer number (10724430).

Almost surely, 2^68636328 is an apocalyptic number.

It is an amenable number.

68636328 is an abundant number, since it is smaller than the sum of its proper divisors (102954552).

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

68636328 is a wasteful number, since it uses less digits than its factorization.

68636328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2859856 (or 2859852 counting only the distinct ones).

The product of its digits is 248832, while the sum is 42.

The square root of 68636328 is about 8284.7044606310. The cubic root of 68636328 is about 409.4347316295.

The spelling of 68636328 in words is "sixty-eight million, six hundred thirty-six thousand, three hundred twenty-eight".