108730705 has 4 divisors (see below), whose sum is σ = 130476852. Its totient is φ = 86984560.

The previous prime is 108730697. The next prime is 108730709. The reversal of 108730705 is 507037801.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29235649 + 79495056 = 5407^2 + 8916^2 .

It is not a de Polignac number, because 108730705 - 2³ = 108730697 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108730709) 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, 10873066 + ... + 10873075.

It is an arithmetic number, because the mean of its divisors is an integer number (32619213).

Almost surely, 2^108730705 is an apocalyptic number.

It is an amenable number.

108730705 is a deficient number, since it is larger than the sum of its proper divisors (21746147).

108730705 is an equidigital number, since it uses as much as digits as its factorization.

108730705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21746146.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 108730705 is about 10427.4016418281. The cubic root of 108730705 is about 477.2919042442.

The spelling of 108730705 in words is "one hundred eight million, seven hundred thirty thousand, seven hundred five".