107720 has 16 divisors (see below), whose sum is σ = 242460. Its totient is φ = 43072.

The previous prime is 107719. The next prime is 107741. The reversal of 107720 is 27701.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 106276 + 1444 = 326^2 + 38^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1307 + ... + 1386.

2¹⁰⁷⁷²⁰ is an apocalyptic number.

107720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

107720 is an abundant number, since it is smaller than the sum of its proper divisors (134740).

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

107720 is a wasteful number, since it uses less digits than its factorization.

107720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2704 (or 2700 counting only the distinct ones).

The product of its (nonzero) digits is 98, while the sum is 17.

The square root of 107720 is about 328.2072515957. The cubic root of 107720 is about 47.5808410997.

The spelling of 107720 in words is "one hundred seven thousand, seven hundred twenty", and thus it is an iban number.