73345132 has 24 divisors (see below), whose sum is σ = 151424000. Its totient is φ = 30419280.

The previous prime is 73345121. The next prime is 73345133. The reversal of 73345132 is 23154337.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 73345132.

It is not an unprimeable number, because it can be changed into a prime (73345133) 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, 41382 + ... + 43117.

Almost surely, 2^73345132 is an apocalyptic number.

It is an amenable number.

73345132 is an abundant number, since it is smaller than the sum of its proper divisors (78078868).

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

73345132 is a wasteful number, since it uses less digits than its factorization.

73345132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84541 (or 84539 counting only the distinct ones).

The product of its digits is 7560, while the sum is 28.

The square root of 73345132 is about 8564.1772517855. The cubic root of 73345132 is about 418.5915253307.

Adding to 73345132 its reverse (23154337), we get a palindrome (96499469).

The spelling of 73345132 in words is "seventy-three million, three hundred forty-five thousand, one hundred thirty-two".