107981720 has 64 divisors (see below), whose sum is σ = 302918400. Its totient is φ = 33655680.

The previous prime is 107981707. The next prime is 107981767. The reversal of 107981720 is 27189701.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

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, 14450 + ... + 20609.

It is an arithmetic number, because the mean of its divisors is an integer number (4733100).

Almost surely, 2^107981720 is an apocalyptic number.

107981720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

107981720 is an abundant number, since it is smaller than the sum of its proper divisors (194936680).

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

107981720 is a wasteful number, since it uses less digits than its factorization.

107981720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35088 (or 35084 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 35.

The square root of 107981720 is about 10391.4253112843. The cubic root of 107981720 is about 476.1934458418.

The spelling of 107981720 in words is "one hundred seven million, nine hundred eighty-one thousand, seven hundred twenty".