109373780 has 12 divisors (see below), whose sum is σ = 229684980. Its totient is φ = 43749504.

The previous prime is 109373779. The next prime is 109373827. The reversal of 109373780 is 87373901.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 30448324 + 78925456 = 5518^2 + 8884^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2734325 + ... + 2734364.

It is an arithmetic number, because the mean of its divisors is an integer number (19140415).

Almost surely, 2^109373780 is an apocalyptic number.

109373780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109373780 is an abundant number, since it is smaller than the sum of its proper divisors (120311200).

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

109373780 is a wasteful number, since it uses less digits than its factorization.

109373780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5468698 (or 5468696 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 109373780 is about 10458.1920043572. The cubic root of 109373780 is about 478.2310175714.

The spelling of 109373780 in words is "one hundred nine million, three hundred seventy-three thousand, seven hundred eighty".