115572730 has 64 divisors (see below), whose sum is σ = 259096320. Its totient is φ = 36140544.

The previous prime is 115572703. The next prime is 115572757. The reversal of 115572730 is 37275511.

It is an interprime number because it is at equal distance from previous prime (115572703) and next prime (115572757).

It is a junction number, because it is equal to n+sod(n) for n = 115572692 and 115572701.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80277 + ... + 81703.

It is an arithmetic number, because the mean of its divisors is an integer number (4048380).

Almost surely, 2^115572730 is an apocalyptic number.

115572730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115572730 is an abundant number, since it is smaller than the sum of its proper divisors (143523590).

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

115572730 is a wasteful number, since it uses less digits than its factorization.

115572730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1543.

The product of its (nonzero) digits is 7350, while the sum is 31.

The square root of 115572730 is about 10750.4758034238. The cubic root of 115572730 is about 487.1003676441.

The spelling of 115572730 in words is "one hundred fifteen million, five hundred seventy-two thousand, seven hundred thirty".