73047423 has 4 divisors (see below), whose sum is σ = 97396568. Its totient is φ = 48698280.

The previous prime is 73047421. The next prime is 73047431. The reversal of 73047423 is 32474037.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 73047423 - 2¹ = 73047421 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 (73047421) 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 3 ways as a sum of consecutive naturals, for example, 12174568 + ... + 12174573.

It is an arithmetic number, because the mean of its divisors is an integer number (24349142).

Almost surely, 2^73047423 is an apocalyptic number.

73047423 is a deficient number, since it is larger than the sum of its proper divisors (24349145).

73047423 is a wasteful number, since it uses less digits than its factorization.

73047423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24349144.

The product of its (nonzero) digits is 14112, while the sum is 30.

The square root of 73047423 is about 8546.7785159088. The cubic root of 73047423 is about 418.0244008710.

The spelling of 73047423 in words is "seventy-three million, forty-seven thousand, four hundred twenty-three".