107521680 has 240 divisors, whose sum is σ = 398974464. Its totient is φ = 23869440.

The previous prime is 107521679. The next prime is 107521681. The reversal of 107521680 is 86125701.

It is an interprime number because it is at equal distance from previous prime (107521679) and next prime (107521681).

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (107521681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 482049 + ... + 482271.

Almost surely, 2^107521680 is an apocalyptic number.

107521680 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 107521680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199487232).

107521680 is an abundant number, since it is smaller than the sum of its proper divisors (291452784).

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

107521680 is a wasteful number, since it uses less digits than its factorization.

107521680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294 (or 281 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 107521680 is about 10369.2661263949. The cubic root of 107521680 is about 475.5162328423.

The spelling of 107521680 in words is "one hundred seven million, five hundred twenty-one thousand, six hundred eighty".