673916800 has 48 divisors (see below), whose sum is σ = 1664793000. Its totient is φ = 269565440.

The previous prime is 673916741. The next prime is 673916827. The reversal of 673916800 is 8619376.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 102100 + ... + 108499.

Almost surely, 2^673916800 is an apocalyptic number.

It is an amenable number.

673916800 is an abundant number, since it is smaller than the sum of its proper divisors (990876200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

673916800 is a wasteful number, since it uses less digits than its factorization.

673916800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210623 (or 210606 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 673916800 is about 25959.9075499124. The cubic root of 673916800 is about 876.7358412037.

The spelling of 673916800 in words is "six hundred seventy-three million, nine hundred sixteen thousand, eight hundred".