108401720 has 64 divisors (see below), whose sum is σ = 284472000. Its totient is φ = 37161600.

The previous prime is 108401719. The next prime is 108401723. The reversal of 108401720 is 27104801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108401723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9770 + ... + 17670.

It is an arithmetic number, because the mean of its divisors is an integer number (4444875).

Almost surely, 2^108401720 is an apocalyptic number.

108401720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 108401720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142236000).

108401720 is an abundant number, since it is smaller than the sum of its proper divisors (176070280).

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

108401720 is an equidigital number, since it uses as much as digits as its factorization.

108401720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7933 (or 7915 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 108401720 is about 10411.6146682443. The cubic root of 108401720 is about 476.8100394077.

The spelling of 108401720 in words is "one hundred eight million, four hundred one thousand, seven hundred twenty".