829870730 has 16 divisors (see below), whose sum is σ = 1608672744. Its totient is φ = 306413760.

The previous prime is 829870711. The next prime is 829870739. The reversal of 829870730 is 37078928.

It is a happy number.

829870730 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 4 ways, for example, as 715188049 + 114682681 = 26743^2 + 10709^2 .

It is not an unprimeable number, because it can be changed into a prime (829870739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3191681 + ... + 3191940.

Almost surely, 2^829870730 is an apocalyptic number.

829870730 is a deficient number, since it is larger than the sum of its proper divisors (778802014).

829870730 is a wasteful number, since it uses less digits than its factorization.

829870730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6383641.

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 829870730 is about 28807.4769808118. The cubic root of 829870730 is about 939.7308456795.

The spelling of 829870730 in words is "eight hundred twenty-nine million, eight hundred seventy thousand, seven hundred thirty".