115770272 has 48 divisors (see below), whose sum is σ = 245488320. Its totient is φ = 53541888.

The previous prime is 115770271. The next prime is 115770283. The reversal of 115770272 is 272077511.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (115770271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30293 + ... + 33899.

It is an arithmetic number, because the mean of its divisors is an integer number (5114340).

Almost surely, 2^115770272 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 115770272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122744160).

115770272 is an abundant number, since it is smaller than the sum of its proper divisors (129718048).

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

115770272 is a wasteful number, since it uses less digits than its factorization.

115770272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3693 (or 3685 counting only the distinct ones).

The product of its (nonzero) digits is 6860, while the sum is 32.

The square root of 115770272 is about 10759.6594741655. The cubic root of 115770272 is about 487.3777341419.

The spelling of 115770272 in words is "one hundred fifteen million, seven hundred seventy thousand, two hundred seventy-two".