73217226 has 32 divisors (see below), whose sum is σ = 154861056. Its totient is φ = 23040000.

The previous prime is 73217219. The next prime is 73217231. The reversal of 73217226 is 62271237.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 73217193 and 73217202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2826 + ... + 12426.

It is an arithmetic number, because the mean of its divisors is an integer number (4839408).

Almost surely, 2^73217226 is an apocalyptic number.

73217226 is an abundant number, since it is smaller than the sum of its proper divisors (81643830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73217226 is a wasteful number, since it uses less digits than its factorization.

73217226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9678.

The product of its digits is 7056, while the sum is 30.

The square root of 73217226 is about 8556.7064925706. The cubic root of 73217226 is about 418.3480575902.

The spelling of 73217226 in words is "seventy-three million, two hundred seventeen thousand, two hundred twenty-six".