118434730 has 16 divisors (see below), whose sum is σ = 214462080. Its totient is φ = 47089552.

The previous prime is 118434727. The next prime is 118434731. The reversal of 118434730 is 37434811.

It is a junction number, because it is equal to n+sod(n) for n = 118434692 and 118434701.

It is not an unprimeable number, because it can be changed into a prime (118434731) 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, 33790 + ... + 37129.

It is an arithmetic number, because the mean of its divisors is an integer number (13403880).

Almost surely, 2^118434730 is an apocalyptic number.

118434730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118434730 is a deficient number, since it is larger than the sum of its proper divisors (96027350).

118434730 is a wasteful number, since it uses less digits than its factorization.

118434730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71093.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 118434730 is about 10882.7721652160. The cubic root of 118434730 is about 491.0884177017.

The spelling of 118434730 in words is "one hundred eighteen million, four hundred thirty-four thousand, seven hundred thirty".