731676828 has 72 divisors (see below), whose sum is σ = 1808531200. Its totient is φ = 230177376.

The previous prime is 731676809. The next prime is 731676839. The reversal of 731676828 is 828676137.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 500763 + ... + 502221.

Almost surely, 2^731676828 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 731676828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (904265600).

731676828 is an abundant number, since it is smaller than the sum of its proper divisors (1076854372).

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

731676828 is a wasteful number, since it uses less digits than its factorization.

731676828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1591 (or 1566 counting only the distinct ones).

The product of its digits is 677376, while the sum is 48.

The square root of 731676828 is about 27049.5254671870. The cubic root of 731676828 is about 901.1002297544.

The spelling of 731676828 in words is "seven hundred thirty-one million, six hundred seventy-six thousand, eight hundred twenty-eight".