73315212 has 12 divisors (see below), whose sum is σ = 171068856. Its totient is φ = 24438400.

The previous prime is 73315199. The next prime is 73315213. The reversal of 73315212 is 21251337.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (73315213) 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, 3054789 + ... + 3054812.

It is an arithmetic number, because the mean of its divisors is an integer number (14255738).

Almost surely, 2^73315212 is an apocalyptic number.

It is an amenable number.

73315212 is an abundant number, since it is smaller than the sum of its proper divisors (97753644).

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

73315212 is a wasteful number, since it uses less digits than its factorization.

73315212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6109608 (or 6109606 counting only the distinct ones).

The product of its digits is 1260, while the sum is 24.

The square root of 73315212 is about 8562.4302624897. The cubic root of 73315212 is about 418.5345982995.

Adding to 73315212 its reverse (21251337), we get a palindrome (94566549).

The spelling of 73315212 in words is "seventy-three million, three hundred fifteen thousand, two hundred twelve".