73045432 has 16 divisors (see below), whose sum is σ = 141683400. Its totient is φ = 35263200.

The previous prime is 73045429. The next prime is 73045451. The reversal of 73045432 is 23454037.

It is a self number, because there is not a number n which added to its sum of digits gives 73045432.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 157194 + ... + 157657.

Almost surely, 2^73045432 is an apocalyptic number.

It is an amenable number.

73045432 is a deficient number, since it is larger than the sum of its proper divisors (68637968).

73045432 is a wasteful number, since it uses less digits than its factorization.

73045432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314886 (or 314882 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 28.

The square root of 73045432 is about 8546.6620384803. The cubic root of 73045432 is about 418.0206029084.

Adding to 73045432 its reverse (23454037), we get a palindrome (96499469).

The spelling of 73045432 in words is "seventy-three million, forty-five thousand, four hundred thirty-two".