673518998 has 8 divisors (see below), whose sum is σ = 1010530080. Its totient is φ = 336675640.

The previous prime is 673518991. The next prime is 673519009. The reversal of 673518998 is 899815376.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673518991) 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, 31358 + ... + 48273.

It is an arithmetic number, because the mean of its divisors is an integer number (126316260).

Almost surely, 2^673518998 is an apocalyptic number.

673518998 is a deficient number, since it is larger than the sum of its proper divisors (337011082).

673518998 is a wasteful number, since it uses less digits than its factorization.

673518998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83862.

The product of its digits is 3265920, while the sum is 56.

The square root of 673518998 is about 25952.2445657404. The cubic root of 673518998 is about 876.5632996687.

The spelling of 673518998 in words is "six hundred seventy-three million, five hundred eighteen thousand, nine hundred ninety-eight".