73312533 has 40 divisors (see below), whose sum is σ = 125917440. Its totient is φ = 41640480.

The previous prime is 73312531. The next prime is 73312543. The reversal of 73312533 is 33521337.

It is not a de Polignac number, because 73312533 - 2¹ = 73312531 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 73312497 and 73312506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73312531) 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 39 ways as a sum of consecutive naturals, for example, 135243 + ... + 135783.

It is an arithmetic number, because the mean of its divisors is an integer number (3147936).

Almost surely, 2^73312533 is an apocalyptic number.

It is an amenable number.

73312533 is a deficient number, since it is larger than the sum of its proper divisors (52604907).

73312533 is a wasteful number, since it uses less digits than its factorization.

73312533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799 (or 790 counting only the distinct ones).

The product of its digits is 5670, while the sum is 27.

The square root of 73312533 is about 8562.2738218303. The cubic root of 73312533 is about 418.5295003677.

The spelling of 73312533 in words is "seventy-three million, three hundred twelve thousand, five hundred thirty-three".