834688730 has 32 divisors (see below), whose sum is σ = 1556096400. Its totient is φ = 321979392.

The previous prime is 834688727. The next prime is 834688739. The reversal of 834688730 is 37886438.

It can be written as a sum of positive squares in 8 ways, for example, as 319444129 + 515244601 = 17873^2 + 22699^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (834688739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 430844 + ... + 432776.

Almost surely, 2^834688730 is an apocalyptic number.

834688730 is a deficient number, since it is larger than the sum of its proper divisors (721407670).

834688730 is a wasteful number, since it uses less digits than its factorization.

834688730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3458.

The product of its (nonzero) digits is 774144, while the sum is 47.

The square root of 834688730 is about 28890.9800802950. The cubic root of 834688730 is about 941.5459433650.

The spelling of 834688730 in words is "eight hundred thirty-four million, six hundred eighty-eight thousand, seven hundred thirty".