685006727 has 8 divisors (see below), whose sum is σ = 711401856. Its totient is φ = 659087352.

The previous prime is 685006711. The next prime is 685006739. The reversal of 685006727 is 727600586.

It is a happy number.

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 685006727 - 2⁴ = 685006711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (685006787) 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, 116003 + ... + 121764.

It is an arithmetic number, because the mean of its divisors is an integer number (88925232).

Almost surely, 2^685006727 is an apocalyptic number.

685006727 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

685006727 is a deficient number, since it is larger than the sum of its proper divisors (26395129).

685006727 is a wasteful number, since it uses less digits than its factorization.

685006727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237877.

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 685006727 is about 26172.6331690184. The cubic root of 685006727 is about 881.5188675642.

The spelling of 685006727 in words is "six hundred eighty-five million, six thousand, seven hundred twenty-seven".