68818782 has 32 divisors (see below), whose sum is σ = 140573952. Its totient is φ = 22454784.

The previous prime is 68818781. The next prime is 68818793. The reversal of 68818782 is 28781886.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68818781) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 77143 + ... + 78029.

It is an arithmetic number, because the mean of its divisors is an integer number (4392936).

Almost surely, 2^68818782 is an apocalyptic number.

68818782 is an abundant number, since it is smaller than the sum of its proper divisors (71755170).

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

68818782 is a wasteful number, since it uses less digits than its factorization.

68818782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152.

The product of its digits is 344064, while the sum is 48.

The square root of 68818782 is about 8295.7086496574. The cubic root of 68818782 is about 409.7972068700.

The spelling of 68818782 in words is "sixty-eight million, eight hundred eighteen thousand, seven hundred eighty-two".