111680740 has 24 divisors (see below), whose sum is σ = 242618040. Its totient is φ = 43131648.

The previous prime is 111680717. The next prime is 111680753. The reversal of 111680740 is 47086111.

It can be written as a sum of positive squares in 4 ways, for example, as 30536676 + 81144064 = 5526^2 + 9008^2 .

It is a junction number, because it is equal to n+sod(n) for n = 111680699 and 111680708.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95697 + ... + 96856.

It is an arithmetic number, because the mean of its divisors is an integer number (10109085).

Almost surely, 2^111680740 is an apocalyptic number.

111680740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111680740 is an abundant number, since it is smaller than the sum of its proper divisors (130937300).

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

111680740 is a wasteful number, since it uses less digits than its factorization.

111680740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192591 (or 192589 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 111680740 is about 10567.9108626067. The cubic root of 111680740 is about 481.5700038436.

The spelling of 111680740 in words is "one hundred eleven million, six hundred eighty thousand, seven hundred forty".