685870750 has 16 divisors (see below), whose sum is σ = 1283950512. Its totient is φ = 274348200.

The previous prime is 685870747. The next prime is 685870771. The reversal of 685870750 is 57078586.

685870750 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 685870750.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1371492 + ... + 1371991.

It is an arithmetic number, because the mean of its divisors is an integer number (80246907).

Almost surely, 2^685870750 is an apocalyptic number.

685870750 is a deficient number, since it is larger than the sum of its proper divisors (598079762).

685870750 is a wasteful number, since it uses less digits than its factorization.

685870750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2743500 (or 2743490 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 46.

The square root of 685870750 is about 26189.1341972200. The cubic root of 685870750 is about 881.8893420611.

The spelling of 685870750 in words is "six hundred eighty-five million, eight hundred seventy thousand, seven hundred fifty".