673764800 has 42 divisors (see below), whose sum is σ = 1657886448. Its totient is φ = 269505280.

The previous prime is 673764761. The next prime is 673764803. The reversal of 673764800 is 8467376.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673764803) by changing a digit.

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, 208952 + ... + 212151.

Almost surely, 2^673764800 is an apocalyptic number.

It is an amenable number.

673764800 is an abundant number, since it is smaller than the sum of its proper divisors (984121648).

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

673764800 is a wasteful number, since it uses less digits than its factorization.

673764800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421125 (or 421110 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 673764800 is about 25956.9797934968. The cubic root of 673764800 is about 876.6699211633.

The spelling of 673764800 in words is "six hundred seventy-three million, seven hundred sixty-four thousand, eight hundred".