73005812 has 12 divisors (see below), whose sum is σ = 139374816. Its totient is φ = 33184440.

The previous prime is 73005811. The next prime is 73005817. The reversal of 73005812 is 21850037.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73005811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 829568 + ... + 829655.

It is an arithmetic number, because the mean of its divisors is an integer number (11614568).

Almost surely, 2^73005812 is an apocalyptic number.

It is an amenable number.

73005812 is a deficient number, since it is larger than the sum of its proper divisors (66369004).

73005812 is a wasteful number, since it uses less digits than its factorization.

73005812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1659238 (or 1659236 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 73005812 is about 8544.3438601217. The cubic root of 73005812 is about 417.9450108138.

Adding to 73005812 its reverse (21850037), we get a palindrome (94855849).

The spelling of 73005812 in words is "seventy-three million, five thousand, eight hundred twelve".