673456032 has 96 divisors (see below), whose sum is σ = 1988703360. Its totient is φ = 224462016.

The previous prime is 673456027. The next prime is 673456051. The reversal of 673456032 is 230654376.

673456032 is a `hidden beast` number, since 6 + 7 + 3 + 45 + 603 + 2 = 666.

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 65173 + ... + 74795.

It is an arithmetic number, because the mean of its divisors is an integer number (20715660).

Almost surely, 2^673456032 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 673456032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (994351680).

673456032 is an abundant number, since it is smaller than the sum of its proper divisors (1315247328).

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

673456032 is an frugal number, since it uses more digits than its factorization.

673456032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9654 (or 9628 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 36.

The square root of 673456032 is about 25951.0314245889. The cubic root of 673456032 is about 876.5359827432.

The spelling of 673456032 in words is "six hundred seventy-three million, four hundred fifty-six thousand, thirty-two".