108720320 has 28 divisors (see below), whose sum is σ = 258891024. Its totient is φ = 43488000.

The previous prime is 108720301. The next prime is 108720341. The reversal of 108720320 is 23027801.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169556 + ... + 170195.

It is an arithmetic number, because the mean of its divisors is an integer number (9246108).

Almost surely, 2^108720320 is an apocalyptic number.

108720320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

108720320 is an abundant number, since it is smaller than the sum of its proper divisors (150170704).

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

108720320 is an equidigital number, since it uses as much as digits as its factorization.

108720320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339768 (or 339758 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 108720320 is about 10426.9036631207. The cubic root of 108720320 is about 477.2767081864.

The spelling of 108720320 in words is "one hundred eight million, seven hundred twenty thousand, three hundred twenty".