68884120 has 64 divisors (see below), whose sum is σ = 164268000. Its totient is φ = 25924608.

The previous prime is 68884087. The next prime is 68884147. The reversal of 68884120 is 2148886.

It is a self number, because there is not a number n which added to its sum of digits gives 68884120.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176886 + ... + 177274.

Almost surely, 2^68884120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68884120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82134000).

68884120 is an abundant number, since it is smaller than the sum of its proper divisors (95383880).

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

68884120 is a wasteful number, since it uses less digits than its factorization.

68884120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652 (or 648 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 37.

The square root of 68884120 is about 8299.6457755738. The cubic root of 68884120 is about 409.9268558791.

The spelling of 68884120 in words is "sixty-eight million, eight hundred eighty-four thousand, one hundred twenty".