73214218 has 16 divisors (see below), whose sum is σ = 136920384. Its totient is φ = 28524960.

The previous prime is 73214171. The next prime is 73214243. The reversal of 73214218 is 81241237.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237555 + ... + 237862.

It is an arithmetic number, because the mean of its divisors is an integer number (8557524).

Almost surely, 2^73214218 is an apocalyptic number.

73214218 is a deficient number, since it is larger than the sum of its proper divisors (63706166).

73214218 is a wasteful number, since it uses less digits than its factorization.

73214218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475437.

The product of its digits is 2688, while the sum is 28.

The square root of 73214218 is about 8556.5307222028. The cubic root of 73214218 is about 418.3423284821.

The spelling of 73214218 in words is "seventy-three million, two hundred fourteen thousand, two hundred eighteen".