68322432 has 64 divisors (see below), whose sum is σ = 182669760. Its totient is φ = 22625280.

The previous prime is 68322427. The next prime is 68322437. The reversal of 68322432 is 23422386.

It is an interprime number because it is at equal distance from previous prime (68322427) and next prime (68322437).

It is a tau number, because it is divible by the number of its divisors (64).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 68322432.

It is not an unprimeable number, because it can be changed into a prime (68322437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69013 + ... + 69995.

It is an arithmetic number, because the mean of its divisors is an integer number (2854215).

Almost surely, 2^68322432 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 68322432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91334880).

68322432 is an abundant number, since it is smaller than the sum of its proper divisors (114347328).

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

68322432 is a wasteful number, since it uses less digits than its factorization.

68322432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1181 (or 1169 counting only the distinct ones).

The product of its digits is 13824, while the sum is 30.

The square root of 68322432 is about 8265.7384425107. The cubic root of 68322432 is about 408.8096188136.

The spelling of 68322432 in words is "sixty-eight million, three hundred twenty-two thousand, four hundred thirty-two".