731308852 has 12 divisors (see below), whose sum is σ = 1280740356. Its totient is φ = 365383040.

The previous prime is 731308849. The next prime is 731308859. The reversal of 731308852 is 258803137.

It can be written as a sum of positive squares in 2 ways, for example, as 282038436 + 449270416 = 16794^2 + 21196^2 .

It is a super-3 number, since 3×731308852³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (731308859) 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, 61723 + ... + 72610.

It is an arithmetic number, because the mean of its divisors is an integer number (106728363).

Almost surely, 2^731308852 is an apocalyptic number.

It is an amenable number.

731308852 is a deficient number, since it is larger than the sum of its proper divisors (549431504).

731308852 is a wasteful number, since it uses less digits than its factorization.

731308852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135698 (or 135696 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 731308852 is about 27042.7227179513. The cubic root of 731308852 is about 900.9491435336.

The spelling of 731308852 in words is "seven hundred thirty-one million, three hundred eight thousand, eight hundred fifty-two".