73094040520 has 32 divisors (see below), whose sum is σ = 167564644920. Its totient is φ = 28685962240.

The previous prime is 73094040517. The next prime is 73094040529. The reversal of 73094040520 is 2504049037.

It can be written as a sum of positive squares in 4 ways, for example, as 72810387556 + 283652964 = 269834^2 + 16842^2 .

It is not an unprimeable number, because it can be changed into a prime (73094040529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17237041 + ... + 17241280.

Almost surely, 2^73094040520 is an apocalyptic number.

It is an amenable number.

73094040520 is an abundant number, since it is smaller than the sum of its proper divisors (94470604400).

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

73094040520 is a wasteful number, since it uses less digits than its factorization.

73094040520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34478385 (or 34478381 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

Adding to 73094040520 its reverse (2504049037), we get a palindrome (75598089557).

The spelling of 73094040520 in words is "seventy-three billion, ninety-four million, forty thousand, five hundred twenty".