673903879600 has 360 divisors, whose sum is σ = 1914171309600. Its totient is φ = 227308032000.

The previous prime is 673903879591. The next prime is 673903879603. The reversal of 673903879600 is 6978309376.

It is not an unprimeable number, because it can be changed into a prime (673903879603) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 322595356 + ... + 322597444.

Almost surely, 2^673903879600 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 673903879600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (957085654800).

673903879600 is an abundant number, since it is smaller than the sum of its proper divisors (1240267430000).

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

673903879600 is a wasteful number, since it uses less digits than its factorization.

673903879600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2381 (or 2363 counting only the distinct ones).

The product of its (nonzero) digits is 10287648, while the sum is 58.

The spelling of 673903879600 in words is "six hundred seventy-three billion, nine hundred three million, eight hundred seventy-nine thousand, six hundred".