684470059 has 8 divisors (see below), whose sum is σ = 842424800. Its totient is φ = 541558656.

The previous prime is 684470053. The next prime is 684470077. The reversal of 684470059 is 950074486.

684470059 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 cyclic number.

It is not a de Polignac number, because 684470059 - 2¹⁹ = 683945771 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 684469997 and 684470024.

It is not an unprimeable number, because it can be changed into a prime (684470053) 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, 3760734 + ... + 3760915.

It is an arithmetic number, because the mean of its divisors is an integer number (105303100).

Almost surely, 2^684470059 is an apocalyptic number.

684470059 is a deficient number, since it is larger than the sum of its proper divisors (157954741).

684470059 is a wasteful number, since it uses less digits than its factorization.

684470059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7521669.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 684470059 is about 26162.3786953710. The cubic root of 684470059 is about 881.2885989900.

The spelling of 684470059 in words is "six hundred eighty-four million, four hundred seventy thousand, fifty-nine".