108643072 has 36 divisors (see below), whose sum is σ = 220568040. Its totient is φ = 53393408.

The previous prime is 108643049. The next prime is 108643081. The reversal of 108643072 is 270346801.

It is a zygodrome in base 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11508 + ... + 18700.

It is an arithmetic number, because the mean of its divisors is an integer number (6126890).

Almost surely, 2^108643072 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 108643072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110284020).

108643072 is an abundant number, since it is smaller than the sum of its proper divisors (111924968).

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

108643072 is an frugal number, since it uses more digits than its factorization.

108643072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7268 (or 7254 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 108643072 is about 10423.1987412694. The cubic root of 108643072 is about 477.1636431323.

Adding to 108643072 its reverse (270346801), we get a palindrome (378989873).

The spelling of 108643072 in words is "one hundred eight million, six hundred forty-three thousand, seventy-two".