68827770 has 96 divisors (see below), whose sum is σ = 200603520. Its totient is φ = 16225920.

The previous prime is 68827739. The next prime is 68827771. The reversal of 68827770 is 7772886.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (68827771) 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 47 ways as a sum of consecutive naturals, for example, 35691 + ... + 37569.

It is an arithmetic number, because the mean of its divisors is an integer number (2089620).

Almost surely, 2^68827770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68827770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100301760).

68827770 is an abundant number, since it is smaller than the sum of its proper divisors (131775750).

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

68827770 is a wasteful number, since it uses less digits than its factorization.

68827770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1940 (or 1937 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 45.

The square root of 68827770 is about 8296.2503578424. The cubic root of 68827770 is about 409.8150464619.

The spelling of 68827770 in words is "sixty-eight million, eight hundred twenty-seven thousand, seven hundred seventy".