118639073 has 8 divisors (see below), whose sum is σ = 143563392. Its totient is φ = 95708736.

The previous prime is 118639049. The next prime is 118639099. The reversal of 118639073 is 370936811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 118639073 - 2⁶ = 118639009 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (118639033) 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, 498365 + ... + 498602.

It is an arithmetic number, because the mean of its divisors is an integer number (17945424).

Almost surely, 2^118639073 is an apocalyptic number.

It is an amenable number.

118639073 is a deficient number, since it is larger than the sum of its proper divisors (24924319).

118639073 is an equidigital number, since it uses as much as digits as its factorization.

118639073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996991.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 118639073 is about 10892.1564898784. The cubic root of 118639073 is about 491.3706908213.

The spelling of 118639073 in words is "one hundred eighteen million, six hundred thirty-nine thousand, seventy-three".