685029675 has 24 divisors (see below), whose sum is σ = 1235545920. Its totient is φ = 332135200.

The previous prime is 685029659. The next prime is 685029701. The reversal of 685029675 is 576920586.

It is a happy number.

685029675 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 685029675 - 2⁴ = 685029659 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 414345 + ... + 415994.

It is an arithmetic number, because the mean of its divisors is an integer number (51481080).

Almost surely, 2^685029675 is an apocalyptic number.

685029675 is a deficient number, since it is larger than the sum of its proper divisors (550516245).

685029675 is a wasteful number, since it uses less digits than its factorization.

685029675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830363 (or 830358 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 48.

The square root of 685029675 is about 26173.0715621992. The cubic root of 685029675 is about 881.5287111994.

The spelling of 685029675 in words is "six hundred eighty-five million, twenty-nine thousand, six hundred seventy-five".