73454423 has 4 divisors (see below), whose sum is σ = 83947920. Its totient is φ = 62960928.

The previous prime is 73454417. The next prime is 73454429. The reversal of 73454423 is 32445437.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32445437 = 31 ⋅1046627.

It is an interprime number because it is at equal distance from previous prime (73454417) and next prime (73454429).

It is a cyclic number.

It is not a de Polignac number, because 73454423 - 2⁸ = 73454167 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73454423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73454429) 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 3 ways as a sum of consecutive naturals, for example, 5246738 + ... + 5246751.

It is an arithmetic number, because the mean of its divisors is an integer number (20986980).

Almost surely, 2^73454423 is an apocalyptic number.

73454423 is a deficient number, since it is larger than the sum of its proper divisors (10493497).

73454423 is a wasteful number, since it uses less digits than its factorization.

73454423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10493496.

The product of its digits is 40320, while the sum is 32.

The square root of 73454423 is about 8570.5555829246. Note that the first 4 decimals coincide. The cubic root of 73454423 is about 418.7993354511.

The spelling of 73454423 in words is "seventy-three million, four hundred fifty-four thousand, four hundred twenty-three".