72008218 has 32 divisors (see below), whose sum is σ = 115940160. Its totient is φ = 33479040.

The previous prime is 72008203. The next prime is 72008221. The reversal of 72008218 is 81280027.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254305 + ... + 254587.

It is an arithmetic number, because the mean of its divisors is an integer number (3623130).

Almost surely, 2^72008218 is an apocalyptic number.

72008218 is a deficient number, since it is larger than the sum of its proper divisors (43931942).

72008218 is a wasteful number, since it uses less digits than its factorization.

72008218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462.

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 72008218 is about 8485.7656107154. The cubic root of 72008218 is about 416.0325919053.

The spelling of 72008218 in words is "seventy-two million, eight thousand, two hundred eighteen".