673660000 has 120 divisors (see below), whose sum is σ = 1785478464. Its totient is φ = 248640000.

The previous prime is 673659989. The next prime is 673660019. The reversal of 673660000 is 66376.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 258705 + ... + 261295.

Almost surely, 2^673660000 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 673660000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (892739232).

673660000 is an abundant number, since it is smaller than the sum of its proper divisors (1111818464).

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

673660000 is a wasteful number, since it uses less digits than its factorization.

673660000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2634 (or 2611 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 673660000 is about 25954.9609901460. The cubic root of 673660000 is about 876.6244652556.

The spelling of 673660000 in words is "six hundred seventy-three million, six hundred sixty thousand".