73725218 has 16 divisors (see below), whose sum is σ = 126640320. Its totient is φ = 31532976.

The previous prime is 73725199. The next prime is 73725229. The reversal of 73725218 is 81252737.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2288 + ... + 12356.

It is an arithmetic number, because the mean of its divisors is an integer number (7915020).

Almost surely, 2^73725218 is an apocalyptic number.

73725218 is a deficient number, since it is larger than the sum of its proper divisors (52915102).

73725218 is a wasteful number, since it uses less digits than its factorization.

73725218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10601.

The product of its digits is 23520, while the sum is 35.

The square root of 73725218 is about 8586.3390336045. The cubic root of 73725218 is about 419.3133489167.

The spelling of 73725218 in words is "seventy-three million, seven hundred twenty-five thousand, two hundred eighteen".