73728118 has 8 divisors (see below), whose sum is σ = 110629080. Its totient is φ = 36851760.

The previous prime is 73728103. The next prime is 73728119. The reversal of 73728118 is 81182737.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73728119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6778 + ... + 13906.

It is an arithmetic number, because the mean of its divisors is an integer number (13828635).

Almost surely, 2^73728118 is an apocalyptic number.

73728118 is a deficient number, since it is larger than the sum of its proper divisors (36900962).

73728118 is a wasteful number, since it uses less digits than its factorization.

73728118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12302.

The product of its digits is 18816, while the sum is 37.

The square root of 73728118 is about 8586.5079048470. The cubic root of 73728118 is about 419.3188467766.

The spelling of 73728118 in words is "seventy-three million, seven hundred twenty-eight thousand, one hundred eighteen".