68425722 has 40 divisors (see below), whose sum is σ = 155944800. Its totient is φ = 22418856.

The previous prime is 68425699. The next prime is 68425723. The reversal of 68425722 is 22752486.

68425722 is a `hidden beast` number, since 6 + 84 + 2 + 572 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (68425723) 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 19 ways as a sum of consecutive naturals, for example, 5979 + ... + 13137.

It is an arithmetic number, because the mean of its divisors is an integer number (3898620).

Almost surely, 2^68425722 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68425722, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77972400).

68425722 is an abundant number, since it is smaller than the sum of its proper divisors (87519078).

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

68425722 is a wasteful number, since it uses less digits than its factorization.

68425722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7232 (or 7223 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 68425722 is about 8271.9841634278. The cubic root of 68425722 is about 409.0155281714.

The spelling of 68425722 in words is "sixty-eight million, four hundred twenty-five thousand, seven hundred twenty-two".