115969730 has 32 divisors (see below), whose sum is σ = 225106560. Its totient is φ = 42871680.

The previous prime is 115969663. The next prime is 115969739. The reversal of 115969730 is 37969511.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (115969739) 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, 347 + ... + 15233.

It is an arithmetic number, because the mean of its divisors is an integer number (7034580).

Almost surely, 2^115969730 is an apocalyptic number.

115969730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115969730 is a deficient number, since it is larger than the sum of its proper divisors (109136830).

115969730 is a wasteful number, since it uses less digits than its factorization.

115969730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14954.

The product of its (nonzero) digits is 51030, while the sum is 41.

The square root of 115969730 is about 10768.9242731110. The cubic root of 115969730 is about 487.6574709345.

The spelling of 115969730 in words is "one hundred fifteen million, nine hundred sixty-nine thousand, seven hundred thirty".