115072530 has 16 divisors (see below), whose sum is σ = 276174144. Its totient is φ = 30686000.

The previous prime is 115072511. The next prime is 115072537. The reversal of 115072530 is 35270511.

It is a self number, because there is not a number n which added to its sum of digits gives 115072530.

It is not an unprimeable number, because it can be changed into a prime (115072537) 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, 1917846 + ... + 1917905.

It is an arithmetic number, because the mean of its divisors is an integer number (17260884).

Almost surely, 2^115072530 is an apocalyptic number.

115072530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115072530 is an abundant number, since it is smaller than the sum of its proper divisors (161101614).

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

115072530 is a wasteful number, since it uses less digits than its factorization.

115072530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3835761.

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 115072530 is about 10727.1864904084. The cubic root of 115072530 is about 486.3966262147.

The spelling of 115072530 in words is "one hundred fifteen million, seventy-two thousand, five hundred thirty".