73318636 has 24 divisors (see below), whose sum is σ = 131909120. Its totient is φ = 35644752.

The previous prime is 73318633. The next prime is 73318643. The reversal of 73318636 is 63681337.

It is a junction number, because it is equal to n+sod(n) for n = 73318595 and 73318604.

It is not an unprimeable number, because it can be changed into a prime (73318633) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 19441 + ... + 22903.

Almost surely, 2^73318636 is an apocalyptic number.

It is an amenable number.

73318636 is a deficient number, since it is larger than the sum of its proper divisors (58590484).

73318636 is a wasteful number, since it uses less digits than its factorization.

73318636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3613 (or 3611 counting only the distinct ones).

The product of its digits is 54432, while the sum is 37.

The square root of 73318636 is about 8562.6302033896. The cubic root of 73318636 is about 418.5411137284.

The spelling of 73318636 in words is "seventy-three million, three hundred eighteen thousand, six hundred thirty-six".