73944423 has 24 divisors (see below), whose sum is σ = 123286176. Its totient is φ = 41832000.

The previous prime is 73944419. The next prime is 73944433. The reversal of 73944423 is 32444937.

It is not a de Polignac number, because 73944423 - 2² = 73944419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73944433) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 553 + ... + 12173.

It is an arithmetic number, because the mean of its divisors is an integer number (5136924).

Almost surely, 2^73944423 is an apocalyptic number.

73944423 is a deficient number, since it is larger than the sum of its proper divisors (49341753).

73944423 is a wasteful number, since it uses less digits than its factorization.

73944423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11735 (or 11732 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 73944423 is about 8599.0943127750. The cubic root of 73944423 is about 419.7285150281.

The spelling of 73944423 in words is "seventy-three million, nine hundred forty-four thousand, four hundred twenty-three".