107731780 has 48 divisors (see below), whose sum is σ = 245577024. Its totient is φ = 39461760.

The previous prime is 107731777. The next prime is 107731801. The reversal of 107731780 is 87137701.

It is a super-2 number, since 2×107731780² = 23212272843936800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32479 + ... + 35641.

It is an arithmetic number, because the mean of its divisors is an integer number (5116188).

Almost surely, 2^107731780 is an apocalyptic number.

107731780 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 107731780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122788512).

107731780 is an abundant number, since it is smaller than the sum of its proper divisors (137845244).

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

107731780 is a wasteful number, since it uses less digits than its factorization.

107731780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3316 (or 3314 counting only the distinct ones).

The product of its (nonzero) digits is 8232, while the sum is 34.

The square root of 107731780 is about 10379.3920823910. The cubic root of 107731780 is about 475.8257547861.

The spelling of 107731780 in words is "one hundred seven million, seven hundred thirty-one thousand, seven hundred eighty".