73422473520 has 80 divisors (see below), whose sum is σ = 248301464832. Its totient is φ = 17799386880.

The previous prime is 73422473503. The next prime is 73422473533. The reversal of 73422473520 is 2537422437.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13903132 + ... + 13908411.

Almost surely, 2^73422473520 is an apocalyptic number.

It is an amenable number.

73422473520 is an abundant number, since it is smaller than the sum of its proper divisors (174878991312).

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

73422473520 is a wasteful number, since it uses less digits than its factorization.

73422473520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27811570 (or 27811564 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 39.

Adding to 73422473520 its reverse (2537422437), we get a palindrome (75959895957).

The spelling of 73422473520 in words is "seventy-three billion, four hundred twenty-two million, four hundred seventy-three thousand, five hundred twenty".