68811084 has 72 divisors (see below), whose sum is σ = 189462000. Its totient is φ = 20974464.

The previous prime is 68811073. The next prime is 68811097. The reversal of 68811084 is 48011886.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 23 ways as a sum of consecutive naturals, for example, 18102 + ... + 21570.

Almost surely, 2^68811084 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 68811084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94731000).

68811084 is an abundant number, since it is smaller than the sum of its proper divisors (120650916).

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

68811084 is a wasteful number, since it uses less digits than its factorization.

68811084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3527 (or 3522 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 36.

The square root of 68811084 is about 8295.2446618530. The cubic root of 68811084 is about 409.7819264652.

The spelling of 68811084 in words is "sixty-eight million, eight hundred eleven thousand, eighty-four".