673424664 has 64 divisors (see below), whose sum is σ = 1838954880. Its totient is φ = 203808000.

The previous prime is 673424629. The next prime is 673424681. The reversal of 673424664 is 466424376.

It is a congruent number.

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, 347779 + ... + 349709.

It is an arithmetic number, because the mean of its divisors is an integer number (28733670).

Almost surely, 2^673424664 is an apocalyptic number.

It is an amenable number.

673424664 is an abundant number, since it is smaller than the sum of its proper divisors (1165530216).

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

673424664 is a wasteful number, since it uses less digits than its factorization.

673424664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3272 (or 3268 counting only the distinct ones).

The product of its digits is 580608, while the sum is 42.

The square root of 673424664 is about 25950.4270485092. The cubic root of 673424664 is about 876.5223735363.

The spelling of 673424664 in words is "six hundred seventy-three million, four hundred twenty-four thousand, six hundred sixty-four".