673426968 has 64 divisors (see below), whose sum is σ = 1746662400. Its totient is φ = 216203520.

The previous prime is 673426939. The next prime is 673426979. The reversal of 673426968 is 869624376.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 673426968.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73405 + ... + 82067.

It is an arithmetic number, because the mean of its divisors is an integer number (27291600).

Almost surely, 2^673426968 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 673426968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (873331200).

673426968 is an abundant number, since it is smaller than the sum of its proper divisors (1073235432).

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

673426968 is a wasteful number, since it uses less digits than its factorization.

673426968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8792 (or 8788 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 51.

The square root of 673426968 is about 25950.4714408043. The cubic root of 673426968 is about 876.5233731557.

The spelling of 673426968 in words is "six hundred seventy-three million, four hundred twenty-six thousand, nine hundred sixty-eight".