68322528 has 120 divisors (see below), whose sum is σ = 205942968. Its totient is φ = 22208256.

The previous prime is 68322511. The next prime is 68322547. The reversal of 68322528 is 82522386.

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

It is a junction number, because it is equal to n+sod(n) for n = 68322492 and 68322501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 111150 + ... + 111762.

Almost surely, 2^68322528 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 68322528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102971484).

68322528 is an abundant number, since it is smaller than the sum of its proper divisors (137620440).

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

68322528 is a wasteful number, since it uses less digits than its factorization.

68322528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678 (or 661 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 68322528 is about 8265.7442496124. The cubic root of 68322528 is about 408.8098102866.

The spelling of 68322528 in words is "sixty-eight million, three hundred twenty-two thousand, five hundred twenty-eight".