73942623938 has 8 divisors (see below), whose sum is σ = 117438285132. Its totient is φ = 34796528896.

The previous prime is 73942623917. The next prime is 73942623991. The reversal of 73942623938 is 83932624937.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 73098314689 + 844309249 = 270367^2 + 29057^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1087391495 + ... + 1087391562.

Almost surely, 2^73942623938 is an apocalyptic number.

73942623938 is a deficient number, since it is larger than the sum of its proper divisors (43495661194).

73942623938 is a wasteful number, since it uses less digits than its factorization.

73942623938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2174783076.

The product of its digits is 11757312, while the sum is 56.

Subtracting 73942623938 from its reverse (83932624937), we obtain a palindrome (9990000999).

The spelling of 73942623938 in words is "seventy-three billion, nine hundred forty-two million, six hundred twenty-three thousand, nine hundred thirty-eight".