68908824 has 48 divisors (see below), whose sum is σ = 187012800. Its totient is φ = 22922304.

The previous prime is 68908817. The next prime is 68908867. The reversal of 68908824 is 42880986.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 68908824.

It is a congruent number.

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, 61582 + ... + 62690.

It is an arithmetic number, because the mean of its divisors is an integer number (3896100).

Almost surely, 2^68908824 is an apocalyptic number.

It is an amenable number.

68908824 is an abundant number, since it is smaller than the sum of its proper divisors (118103976).

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

68908824 is a wasteful number, since it uses less digits than its factorization.

68908824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1984 (or 1977 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 68908824 is about 8301.1338984503. The cubic root of 68908824 is about 409.9758542195.

The spelling of 68908824 in words is "sixty-eight million, nine hundred eight thousand, eight hundred twenty-four".