73043067216 has 160 divisors (see below), whose sum is σ = 218395450368. Its totient is φ = 20605178880.

The previous prime is 73043067199. The next prime is 73043067217. The reversal of 73043067216 is 61276034037.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73043067217) 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, 11249731 + ... + 11256221.

Almost surely, 2^73043067216 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 73043067216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109197725184).

73043067216 is an abundant number, since it is smaller than the sum of its proper divisors (145352383152).

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

73043067216 is a wasteful number, since it uses less digits than its factorization.

73043067216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6929 (or 6923 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 39.

The spelling of 73043067216 in words is "seventy-three billion, forty-three million, sixty-seven thousand, two hundred sixteen".