73003176481 has 3 divisors (see below), whose sum is σ = 73003446673. Its totient is φ = 73002906290.

The previous prime is 73003176443. The next prime is 73003176497. The reversal of 73003176481 is 18467130037.

The square root of 73003176481 is 270191.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 18467130037 = 111227 ⋅166031.

It is a de Polignac number, because none of the positive numbers 2^k-73003176481 is a prime.

It is a super-2 number, since 2×73003176481² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73003170481) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 135096 + ... + 405286.

Almost surely, 2^73003176481 is an apocalyptic number.

73003176481 is the 270191-st square number.

73003176481 is the 135096-th centered octagonal number.

It is an amenable number.

73003176481 is a deficient number, since it is larger than the sum of its proper divisors (270192).

73003176481 is an frugal number, since it uses more digits than its factorization.

73003176481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540382 (or 270191 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 40.

The spelling of 73003176481 in words is "seventy-three billion, three million, one hundred seventy-six thousand, four hundred eighty-one".