673488464 has 20 divisors (see below), whose sum is σ = 1423510080. Its totient is φ = 306131040.

The previous prime is 673488457. The next prime is 673488479. The reversal of 673488464 is 464884376.

It is a super-2 number, since 2×673488464² = 907173422282158592, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 1913144 + ... + 1913495.

It is an arithmetic number, because the mean of its divisors is an integer number (71175504).

Almost surely, 2^673488464 is an apocalyptic number.

It is an amenable number.

673488464 is an abundant number, since it is smaller than the sum of its proper divisors (750021616).

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

673488464 is a wasteful number, since it uses less digits than its factorization.

673488464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3826658 (or 3826652 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 50.

The square root of 673488464 is about 25951.6562862566. The cubic root of 673488464 is about 876.5500531291.

The spelling of 673488464 in words is "six hundred seventy-three million, four hundred eighty-eight thousand, four hundred sixty-four".