115475720 has 64 divisors (see below), whose sum is σ = 265680000. Its totient is φ = 45163008.

The previous prime is 115475719. The next prime is 115475729. The reversal of 115475720 is 27574511.

It is not an unprimeable number, because it can be changed into a prime (115475729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 580181 + ... + 580379.

It is an arithmetic number, because the mean of its divisors is an integer number (4151250).

Almost surely, 2^115475720 is an apocalyptic number.

115475720 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 115475720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132840000).

115475720 is an abundant number, since it is smaller than the sum of its proper divisors (150204280).

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

115475720 is a wasteful number, since it uses less digits than its factorization.

115475720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462 (or 458 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 32.

The square root of 115475720 is about 10745.9629628991. The cubic root of 115475720 is about 486.9640412686.

The spelling of 115475720 in words is "one hundred fifteen million, four hundred seventy-five thousand, seven hundred twenty".