73489843 has 4 divisors (see below), whose sum is σ = 83988400. Its totient is φ = 62991288.

The previous prime is 73489789. The next prime is 73489859. The reversal of 73489843 is 34898437.

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 73489843 - 2²⁵ = 39935411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73489793 and 73489802.

It is not an unprimeable number, because it can be changed into a prime (73489243) 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, 5249268 + ... + 5249281.

It is an arithmetic number, because the mean of its divisors is an integer number (20997100).

Almost surely, 2^73489843 is an apocalyptic number.

73489843 is a deficient number, since it is larger than the sum of its proper divisors (10498557).

73489843 is a wasteful number, since it uses less digits than its factorization.

73489843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10498556.

The product of its digits is 580608, while the sum is 46.

The square root of 73489843 is about 8572.6217110053. The cubic root of 73489843 is about 418.8666401741.

The spelling of 73489843 in words is "seventy-three million, four hundred eighty-nine thousand, eight hundred forty-three".