73688384347 has 4 divisors (see below), whose sum is σ = 75485662056. Its totient is φ = 71891106640.

The previous prime is 73688384333. The next prime is 73688384447. The reversal of 73688384347 is 74348388637.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74348388637 = 257 ⋅289293341.

It is a cyclic number.

It is not a de Polignac number, because 73688384347 - 2⁷ = 73688384219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73688384447) 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, 898638793 + ... + 898638874.

It is an arithmetic number, because the mean of its divisors is an integer number (18871415514).

Almost surely, 2^73688384347 is an apocalyptic number.

73688384347 is a deficient number, since it is larger than the sum of its proper divisors (1797277709).

73688384347 is a wasteful number, since it uses less digits than its factorization.

73688384347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1797277708.

The product of its digits is 65028096, while the sum is 61.

The spelling of 73688384347 in words is "seventy-three billion, six hundred eighty-eight million, three hundred eighty-four thousand, three hundred forty-seven".