685142060 has 12 divisors (see below), whose sum is σ = 1438798368. Its totient is φ = 274056816.

The previous prime is 685142053. The next prime is 685142083. The reversal of 685142060 is 60241586.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17128532 + ... + 17128571.

It is an arithmetic number, because the mean of its divisors is an integer number (119899864).

Almost surely, 2^685142060 is an apocalyptic number.

It is an amenable number.

685142060 is an abundant number, since it is smaller than the sum of its proper divisors (753656308).

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

685142060 is a wasteful number, since it uses less digits than its factorization.

685142060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34257112 (or 34257110 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 685142060 is about 26175.2184327084. The cubic root of 685142060 is about 881.5769160148.

The spelling of 685142060 in words is "six hundred eighty-five million, one hundred forty-two thousand, sixty".