73439996 has 12 divisors (see below), whose sum is σ = 146880048. Its totient is φ = 31474272.

The previous prime is 73439981. The next prime is 73439999. The reversal of 73439996 is 69993437.

It is a happy number.

73439996 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73439999) 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, 1311401 + ... + 1311456.

It is an arithmetic number, because the mean of its divisors is an integer number (12240004).

Almost surely, 2^73439996 is an apocalyptic number.

It is an amenable number.

73439996 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

73439996 is a wasteful number, since it uses less digits than its factorization.

73439996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2622868 (or 2622866 counting only the distinct ones).

The product of its digits is 1102248, while the sum is 50.

The square root of 73439996 is about 8569.7138808714. The cubic root of 73439996 is about 418.7719152116.

The spelling of 73439996 in words is "seventy-three million, four hundred thirty-nine thousand, nine hundred ninety-six".