731435828 has 12 divisors (see below), whose sum is σ = 1304164260. Its totient is φ = 358817472.

The previous prime is 731435827. The next prime is 731435833. The reversal of 731435828 is 828534137.

731435828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 602113444 + 129322384 = 24538^2 + 11372^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (731435821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1724873 + ... + 1725296.

It is an arithmetic number, because the mean of its divisors is an integer number (108680355).

Almost surely, 2^731435828 is an apocalyptic number.

It is an amenable number.

731435828 is a deficient number, since it is larger than the sum of its proper divisors (572728432).

731435828 is a wasteful number, since it uses less digits than its factorization.

731435828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3450226 (or 3450224 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 731435828 is about 27045.0703086533. The cubic root of 731435828 is about 901.0012839746.

The spelling of 731435828 in words is "seven hundred thirty-one million, four hundred thirty-five thousand, eight hundred twenty-eight".