108917072 has 20 divisors (see below), whose sum is σ = 230211456. Its totient is φ = 49507680.

The previous prime is 108917071. The next prime is 108917077. The reversal of 108917072 is 270719801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108917071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309248 + ... + 309599.

Almost surely, 2^108917072 is an apocalyptic number.

It is an amenable number.

108917072 is an abundant number, since it is smaller than the sum of its proper divisors (121294384).

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

108917072 is a wasteful number, since it uses less digits than its factorization.

108917072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618866 (or 618860 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 35.

The square root of 108917072 is about 10436.3342223216. The cubic root of 108917072 is about 477.5644451271.

The spelling of 108917072 in words is "one hundred eight million, nine hundred seventeen thousand, seventy-two".