73033521 has 8 divisors (see below), whose sum is σ = 106230624. Its totient is φ = 44262720.

The previous prime is 73033501. The next prime is 73033537. The reversal of 73033521 is 12533037.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 73033521 - 2¹⁴ = 73017137 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 73033491 and 73033500.

It is not an unprimeable number, because it can be changed into a prime (73033501) 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, 1106536 + ... + 1106601.

It is an arithmetic number, because the mean of its divisors is an integer number (13278828).

Almost surely, 2^73033521 is an apocalyptic number.

It is an amenable number.

73033521 is a deficient number, since it is larger than the sum of its proper divisors (33197103).

73033521 is a wasteful number, since it uses less digits than its factorization.

73033521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2213151.

The product of its (nonzero) digits is 1890, while the sum is 24.

The square root of 73033521 is about 8545.9651883213. The cubic root of 73033521 is about 417.9978804560.

Adding to 73033521 its reverse (12533037), we get a palindrome (85566558).

The spelling of 73033521 in words is "seventy-three million, thirty-three thousand, five hundred twenty-one".