73944938 has 16 divisors (see below), whose sum is σ = 113762880. Its totient is φ = 36036000.

The previous prime is 73944919. The next prime is 73944947. The reversal of 73944938 is 83944937.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 73944892 and 73944901.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9713 + ... + 15563.

It is an arithmetic number, because the mean of its divisors is an integer number (7110180).

Almost surely, 2^73944938 is an apocalyptic number.

73944938 is a deficient number, since it is larger than the sum of its proper divisors (39817942).

73944938 is a wasteful number, since it uses less digits than its factorization.

73944938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6013.

The product of its digits is 653184, while the sum is 47.

The square root of 73944938 is about 8599.1242577369. The cubic root of 73944938 is about 419.7294894522.

Subtracting 73944938 from its reverse (83944937), we obtain a palindrome (9999999).

The spelling of 73944938 in words is "seventy-three million, nine hundred forty-four thousand, nine hundred thirty-eight".