73045423 has 4 divisors (see below), whose sum is σ = 79685928. Its totient is φ = 66404920.

The previous prime is 73045409. The next prime is 73045429. The reversal of 73045423 is 32454037.

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

It is a cyclic number.

It is not a de Polignac number, because 73045423 - 2⁵ = 73045391 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73045391 and 73045400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73045429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3320236 + ... + 3320257.

It is an arithmetic number, because the mean of its divisors is an integer number (19921482).

Almost surely, 2^73045423 is an apocalyptic number.

73045423 is a deficient number, since it is larger than the sum of its proper divisors (6640505).

73045423 is a wasteful number, since it uses less digits than its factorization.

73045423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6640504.

The product of its (nonzero) digits is 10080, while the sum is 28.

The square root of 73045423 is about 8546.6615119589. The cubic root of 73045423 is about 418.0205857401.

The spelling of 73045423 in words is "seventy-three million, forty-five thousand, four hundred twenty-three".