108632720 has 80 divisors (see below), whose sum is σ = 305659008. Its totient is φ = 35051520.

The previous prime is 108632681. The next prime is 108632729. The reversal of 108632720 is 27236801.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (108632729) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3815 + ... + 15225.

Almost surely, 2^108632720 is an apocalyptic number.

108632720 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 108632720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152829504).

108632720 is an abundant number, since it is smaller than the sum of its proper divisors (197026288).

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

108632720 is a wasteful number, since it uses less digits than its factorization.

108632720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11448 (or 11442 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 108632720 is about 10422.7021448375. The cubic root of 108632720 is about 477.1484872190.

The spelling of 108632720 in words is "one hundred eight million, six hundred thirty-two thousand, seven hundred twenty".