672493384 has 16 divisors (see below), whose sum is σ = 1267328700. Its totient is φ = 334539072.

The previous prime is 672493379. The next prime is 672493399. The reversal of 672493384 is 483394276.

It can be written as a sum of positive squares in 2 ways, for example, as 473062500 + 199430884 = 21750^2 + 14122^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211779 + ... + 214930.

Almost surely, 2^672493384 is an apocalyptic number.

It is an amenable number.

672493384 is a deficient number, since it is larger than the sum of its proper divisors (594835316).

672493384 is a wasteful number, since it uses less digits than its factorization.

672493384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426912 (or 426908 counting only the distinct ones).

The product of its digits is 870912, while the sum is 46.

The square root of 672493384 is about 25932.4773980428. The cubic root of 672493384 is about 876.1181390955.

The spelling of 672493384 in words is "six hundred seventy-two million, four hundred ninety-three thousand, three hundred eighty-four".