107680745 has 4 divisors (see below), whose sum is σ = 129216900. Its totient is φ = 86144592.

The previous prime is 107680721. The next prime is 107680747. The reversal of 107680745 is 547086701.

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 69438889 + 38241856 = 8333^2 + 6184^2 .

It is a cyclic number.

It is not a de Polignac number, because 107680745 - 2⁶ = 107680681 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 107680699 and 107680708.

It is not an unprimeable number, because it can be changed into a prime (107680747) 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, 10768070 + ... + 10768079.

It is an arithmetic number, because the mean of its divisors is an integer number (32304225).

Almost surely, 2^107680745 is an apocalyptic number.

It is an amenable number.

107680745 is a deficient number, since it is larger than the sum of its proper divisors (21536155).

107680745 is an equidigital number, since it uses as much as digits as its factorization.

107680745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21536154.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 107680745 is about 10376.9333138457. The cubic root of 107680745 is about 475.7506064160.

The spelling of 107680745 in words is "one hundred seven million, six hundred eighty thousand, seven hundred forty-five".