118408473 has 20 divisors (see below), whose sum is σ = 181666980. Its totient is φ = 76803552.

The previous prime is 118408453. The next prime is 118408481. The reversal of 118408473 is 374804811.

118408473 is a `hidden beast` number, since 1 + 184 + 0 + 8 + 473 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 68112009 + 50296464 = 8253^2 + 7092^2 .

It is not a de Polignac number, because 118408473 - 2⁵ = 118408441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (118408453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 16758 + ... + 22751.

It is an arithmetic number, because the mean of its divisors is an integer number (9083349).

Almost surely, 2^118408473 is an apocalyptic number.

It is an amenable number.

118408473 is a deficient number, since it is larger than the sum of its proper divisors (63258507).

118408473 is an equidigital number, since it uses as much as digits as its factorization.

118408473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39558 (or 39549 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 118408473 is about 10881.5657421163. The cubic root of 118408473 is about 491.0521235572.

The spelling of 118408473 in words is "one hundred eighteen million, four hundred eight thousand, four hundred seventy-three".