73447423 has 6 divisors (see below), whose sum is σ = 85438896. Its totient is φ = 62954892.

The previous prime is 73447403. The next prime is 73447433. The reversal of 73447423 is 32474437.

It is not a de Polignac number, because 73447423 - 2⁹ = 73446911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73447403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 749415 + ... + 749512.

It is an arithmetic number, because the mean of its divisors is an integer number (14239816).

Almost surely, 2^73447423 is an apocalyptic number.

73447423 is a deficient number, since it is larger than the sum of its proper divisors (11991473).

73447423 is a wasteful number, since it uses less digits than its factorization.

73447423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1498941 (or 1498934 counting only the distinct ones).

The product of its digits is 56448, while the sum is 34.

The square root of 73447423 is about 8570.1471982691. The cubic root of 73447423 is about 418.7860315621.

The spelling of 73447423 in words is "seventy-three million, four hundred forty-seven thousand, four hundred twenty-three".