68322072 has 192 divisors, whose sum is σ = 221205600. Its totient is φ = 17418240.

The previous prime is 68322061. The next prime is 68322077. The reversal of 68322072 is 27022386.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68322077) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 626754 + ... + 626862.

Almost surely, 2^68322072 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 68322072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110602800).

68322072 is an abundant number, since it is smaller than the sum of its proper divisors (152883528).

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

68322072 is a wasteful number, since it uses less digits than its factorization.

68322072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 68322072 is about 8265.7166658433. The cubic root of 68322072 is about 408.8089007882.

The spelling of 68322072 in words is "sixty-eight million, three hundred twenty-two thousand, seventy-two".