73087212 has 96 divisors (see below), whose sum is σ = 196245504. Its totient is φ = 20966400.

The previous prime is 73087193. The next prime is 73087213. The reversal of 73087212 is 21278037.

It is a self number, because there is not a number n which added to its sum of digits gives 73087212.

It is not an unprimeable number, because it can be changed into a prime (73087213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 216708 + ... + 217044.

It is an arithmetic number, because the mean of its divisors is an integer number (2044224).

Almost surely, 2^73087212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73087212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98122752).

73087212 is an abundant number, since it is smaller than the sum of its proper divisors (123158292).

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

73087212 is a wasteful number, since it uses less digits than its factorization.

73087212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439 (or 437 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 73087212 is about 8549.1059181648. The cubic root of 73087212 is about 418.1002865224.

The spelling of 73087212 in words is "seventy-three million, eighty-seven thousand, two hundred twelve".