115709672 has 32 divisors (see below), whose sum is σ = 236860680. Its totient is φ = 52669440.

The previous prime is 115709647. The next prime is 115709687. The reversal of 115709672 is 276907511.

It can be written as a sum of positive squares in 4 ways, for example, as 98287396 + 17422276 = 9914^2 + 4174^2 .

It is a super-3 number, since 3×115709672³ (a number of 25 digits) contains 333 as substring.

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, 29 + ... + 15212.

Almost surely, 2^115709672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115709672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118430340).

115709672 is an abundant number, since it is smaller than the sum of its proper divisors (121151008).

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

115709672 is a wasteful number, since it uses less digits than its factorization.

115709672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15333 (or 15329 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 38.

The square root of 115709672 is about 10756.8430312987. The cubic root of 115709672 is about 487.2926799363.

The spelling of 115709672 in words is "one hundred fifteen million, seven hundred nine thousand, six hundred seventy-two".