673492608 has 96 divisors (see below), whose sum is σ = 2000668800. Its totient is φ = 217244160.

The previous prime is 673492591. The next prime is 673492613. The reversal of 673492608 is 806294376.

673492608 is a `hidden beast` number, since 6 + 7 + 34 + 9 + 2 + 608 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26283 + ... + 45141.

It is an arithmetic number, because the mean of its divisors is an integer number (20840300).

Almost surely, 2^673492608 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 673492608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1000334400).

673492608 is an abundant number, since it is smaller than the sum of its proper divisors (1327176192).

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

673492608 is a wasteful number, since it uses less digits than its factorization.

673492608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18910 (or 18895 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 673492608 is about 25951.7361268952. The cubic root of 673492608 is about 876.5518509406.

The spelling of 673492608 in words is "six hundred seventy-three million, four hundred ninety-two thousand, six hundred eight".