73118 has 4 divisors (see below), whose sum is σ = 109680. Its totient is φ = 36558.

The previous prime is 73091. The next prime is 73121. The reversal of 73118 is 81137.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 73118.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18278 + ... + 18281.

It is an arithmetic number, because the mean of its divisors is an integer number (27420).

2⁷³¹¹⁸ is an apocalyptic number.

73118 is a deficient number, since it is larger than the sum of its proper divisors (36562).

73118 is a wasteful number, since it uses less digits than its factorization.

73118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36561.

The product of its digits is 168, while the sum is 20.

The square root of 73118 is about 270.4034023455. The cubic root of 73118 is about 41.8158986552.

It can be divided in two parts, 73 and 118, that added together give a palindrome (191).

The spelling of 73118 in words is "seventy-three thousand, one hundred eighteen".