673418243 has 8 divisors (see below), whose sum is σ = 678786528. Its totient is φ = 668067264.

The previous prime is 673418237. The next prime is 673418267. The reversal of 673418243 is 342814376.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-673418243 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 673418197 and 673418206.

It is not an unprimeable number, because it can be changed into a prime (673418293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80255 + ... + 88247.

It is an arithmetic number, because the mean of its divisors is an integer number (84848316).

Almost surely, 2^673418243 is an apocalyptic number.

673418243 is a deficient number, since it is larger than the sum of its proper divisors (5368285).

673418243 is a wasteful number, since it uses less digits than its factorization.

673418243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8653.

The product of its digits is 96768, while the sum is 38.

The square root of 673418243 is about 25950.3033315605. The cubic root of 673418243 is about 876.5195876923.

The spelling of 673418243 in words is "six hundred seventy-three million, four hundred eighteen thousand, two hundred forty-three".