685802706 has 8 divisors (see below), whose sum is σ = 1371605424. Its totient is φ = 228600900.

The previous prime is 685802633. The next prime is 685802771. The reversal of 685802706 is 607208586.

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

685802706 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57150220 + ... + 57150231.

It is an arithmetic number, because the mean of its divisors is an integer number (171450678).

Almost surely, 2^685802706 is an apocalyptic number.

685802706 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

685802706 is a wasteful number, since it uses less digits than its factorization.

685802706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114300456.

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 685802706 is about 26187.8350766152. The cubic root of 685802706 is about 881.8601775463.

The spelling of 685802706 in words is "six hundred eighty-five million, eight hundred two thousand, seven hundred six".