73321996 has 12 divisors (see below), whose sum is σ = 139978440. Its totient is φ = 33328160.

The previous prime is 73321993. The next prime is 73322017. The reversal of 73321996 is 69912337.

It is a super-2 number, since 2×73321996² = 10752230194848032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (73321991) 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 3 ways as a sum of consecutive naturals, for example, 833161 + ... + 833248.

It is an arithmetic number, because the mean of its divisors is an integer number (11664870).

Almost surely, 2^73321996 is an apocalyptic number.

It is an amenable number.

73321996 is a deficient number, since it is larger than the sum of its proper divisors (66656444).

73321996 is a wasteful number, since it uses less digits than its factorization.

73321996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666424 (or 1666422 counting only the distinct ones).

The product of its digits is 61236, while the sum is 40.

The square root of 73321996 is about 8562.8264025379. The cubic root of 73321996 is about 418.5475071764.

The spelling of 73321996 in words is "seventy-three million, three hundred twenty-one thousand, nine hundred ninety-six".