673844018 has 8 divisors (see below), whose sum is σ = 1054712448. Its totient is φ = 322273204.

The previous prime is 673843999. The next prime is 673844021. The reversal of 673844018 is 810448376.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7324346 + ... + 7324437.

It is an arithmetic number, because the mean of its divisors is an integer number (131839056).

Almost surely, 2^673844018 is an apocalyptic number.

673844018 is a deficient number, since it is larger than the sum of its proper divisors (380868430).

673844018 is a wasteful number, since it uses less digits than its factorization.

673844018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14648808.

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 673844018 is about 25958.5056965920. The cubic root of 673844018 is about 876.7042780171.

The spelling of 673844018 in words is "six hundred seventy-three million, eight hundred forty-four thousand, eighteen".