73671467461 has 4 divisors (see below), whose sum is σ = 78005083212. Its totient is φ = 69337851712.

The previous prime is 73671467453. The next prime is 73671467489. The reversal of 73671467461 is 16476417637.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16476417637 = 3803 ⋅4332479.

It can be written as a sum of positive squares in 2 ways, for example, as 22870815361 + 50800652100 = 151231^2 + 225390^2 .

It is a cyclic number.

It is not a de Polignac number, because 73671467461 - 2³ = 73671467453 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73671467399 and 73671467408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73671467761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2166807850 + ... + 2166807883.

It is an arithmetic number, because the mean of its divisors is an integer number (19501270803).

Almost surely, 2^73671467461 is an apocalyptic number.

It is an amenable number.

73671467461 is a deficient number, since it is larger than the sum of its proper divisors (4333615751).

73671467461 is a wasteful number, since it uses less digits than its factorization.

73671467461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4333615750.

The product of its digits is 3556224, while the sum is 52.

The spelling of 73671467461 in words is "seventy-three billion, six hundred seventy-one million, four hundred sixty-seven thousand, four hundred sixty-one".