115732320 has 192 divisors, whose sum is σ = 415425024. Its totient is φ = 26808320.

The previous prime is 115732319. The next prime is 115732321. The reversal of 115732320 is 23237511.

It is an interprime number because it is at equal distance from previous prime (115732319) and next prime (115732321).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115732321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120964 + ... + 121916.

It is an arithmetic number, because the mean of its divisors is an integer number (2163672).

Almost surely, 2^115732320 is an apocalyptic number.

115732320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115732320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207712512).

115732320 is an abundant number, since it is smaller than the sum of its proper divisors (299692704).

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

115732320 is a wasteful number, since it uses less digits than its factorization.

115732320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005 (or 997 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 115732320 is about 10757.8957050159. The cubic root of 115732320 is about 487.3244706658.

Adding to 115732320 its reverse (23237511), we get a palindrome (138969831).

The spelling of 115732320 in words is "one hundred fifteen million, seven hundred thirty-two thousand, three hundred twenty".