109668720 has 160 divisors (see below), whose sum is σ = 402117120. Its totient is φ = 24192000.

The previous prime is 109668661. The next prime is 109668773. The reversal of 109668720 is 27866901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47595 + ... + 49845.

It is an arithmetic number, because the mean of its divisors is an integer number (2513232).

Almost surely, 2^109668720 is an apocalyptic number.

109668720 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 109668720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201058560).

109668720 is an abundant number, since it is smaller than the sum of its proper divisors (292448400).

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

109668720 is a wasteful number, since it uses less digits than its factorization.

109668720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2303 (or 2297 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 109668720 is about 10472.2834186246. The cubic root of 109668720 is about 478.6605015547.

The spelling of 109668720 in words is "one hundred nine million, six hundred sixty-eight thousand, seven hundred twenty".