73173012 has 48 divisors (see below), whose sum is σ = 186820032. Its totient is φ = 22106880.

The previous prime is 73173011. The next prime is 73173029. The reversal of 73173012 is 21037137.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73173011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59718 + ... + 60930.

It is an arithmetic number, because the mean of its divisors is an integer number (3892084).

Almost surely, 2^73173012 is an apocalyptic number.

It is an amenable number.

73173012 is an abundant number, since it is smaller than the sum of its proper divisors (113647020).

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

73173012 is a wasteful number, since it uses less digits than its factorization.

73173012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1688 (or 1686 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 24.

The square root of 73173012 is about 8554.1225149047. The cubic root of 73173012 is about 418.2638307557.

The spelling of 73173012 in words is "seventy-three million, one hundred seventy-three thousand, twelve".