68422176 has 72 divisors (see below), whose sum is σ = 199865484. Its totient is φ = 22187520.

The previous prime is 68422111. The next prime is 68422187. The reversal of 68422176 is 67122486.

68422176 is a `hidden beast` number, since 68 + 422 + 176 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 67568400 + 853776 = 8220^2 + 924^2 .

It is a tau number, because it is divible by the number of its divisors (72).

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

It is a self number, because there is not a number n which added to its sum of digits gives 68422176.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7446 + ... + 13866.

Almost surely, 2^68422176 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 68422176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99932742).

68422176 is an abundant number, since it is smaller than the sum of its proper divisors (131443308).

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

68422176 is a wasteful number, since it uses less digits than its factorization.

68422176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6474 (or 6463 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 68422176 is about 8271.7698227163. The cubic root of 68422176 is about 409.0084626310.

The spelling of 68422176 in words is "sixty-eight million, four hundred twenty-two thousand, one hundred seventy-six".