68648328 has 48 divisors (see below), whose sum is σ = 212484480. Its totient is φ = 19613664.

The previous prime is 68648317. The next prime is 68648351. The reversal of 68648328 is 82384686.

It is a happy number.

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

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 67600 + ... + 68607.

It is an arithmetic number, because the mean of its divisors is an integer number (4426760).

Almost surely, 2^68648328 is an apocalyptic number.

It is an amenable number.

68648328 is an abundant number, since it is smaller than the sum of its proper divisors (143836152).

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

68648328 is a wasteful number, since it uses less digits than its factorization.

68648328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136226 (or 136219 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The square root of 68648328 is about 8285.4286551753. The cubic root of 68648328 is about 409.4585913484.

The spelling of 68648328 in words is "sixty-eight million, six hundred forty-eight thousand, three hundred twenty-eight".