673436788 has 12 divisors (see below), whose sum is σ = 1183662340. Its totient is φ = 335247552.

The previous prime is 673436783. The next prime is 673436801. The reversal of 673436788 is 887634376.

It can be written as a sum of positive squares in 2 ways, for example, as 401120784 + 272316004 = 20028^2 + 16502^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673436783) by changing a digit.

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, 366681 + ... + 368512.

Almost surely, 2^673436788 is an apocalyptic number.

It is an amenable number.

673436788 is a deficient number, since it is larger than the sum of its proper divisors (510225552).

673436788 is a wasteful number, since it uses less digits than its factorization.

673436788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735426 (or 735424 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 52.

The square root of 673436788 is about 25950.6606466965. The cubic root of 673436788 is about 876.5276336611.

The spelling of 673436788 in words is "six hundred seventy-three million, four hundred thirty-six thousand, seven hundred eighty-eight".