113687730 has 48 divisors (see below), whose sum is σ = 318328920. Its totient is φ = 27984384.

The previous prime is 113687701. The next prime is 113687731. The reversal of 113687730 is 37786311.

It can be written as a sum of positive squares in 4 ways, for example, as 64112049 + 49575681 = 8007^2 + 7041^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (113687731) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47415 + ... + 49754.

Almost surely, 2^113687730 is an apocalyptic number.

113687730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113687730 is an abundant number, since it is smaller than the sum of its proper divisors (204641190).

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

113687730 is a wasteful number, since it uses less digits than its factorization.

113687730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97195 (or 97192 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 113687730 is about 10662.4448415924. Note that the first 3 decimals coincide. The cubic root of 113687730 is about 484.4376235647.

The spelling of 113687730 in words is "one hundred thirteen million, six hundred eighty-seven thousand, seven hundred thirty".