685430030 has 8 divisors (see below), whose sum is σ = 1233774072. Its totient is φ = 274172008.

The previous prime is 685430027. The next prime is 685430071. The reversal of 685430030 is 30034586.

685430030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 685429975 and 685430002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34271492 + ... + 34271511.

It is an arithmetic number, because the mean of its divisors is an integer number (154221759).

Almost surely, 2^685430030 is an apocalyptic number.

685430030 is a deficient number, since it is larger than the sum of its proper divisors (548344042).

685430030 is a wasteful number, since it uses less digits than its factorization.

685430030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68543010.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 685430030 is about 26180.7186685163. The cubic root of 685430030 is about 881.7004096959.

The spelling of 685430030 in words is "six hundred eighty-five million, four hundred thirty thousand, thirty".