685276007 has 8 divisors (see below), whose sum is σ = 770076384. Its totient is φ = 605059488.

The previous prime is 685275959. The next prime is 685276019. The reversal of 685276007 is 700672586.

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 685276007 - 2⁸ = 685275751 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 (685276037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1145648 + ... + 1146245.

It is an arithmetic number, because the mean of its divisors is an integer number (96259548).

Almost surely, 2^685276007 is an apocalyptic number.

685276007 is a deficient number, since it is larger than the sum of its proper divisors (84800377).

685276007 is a wasteful number, since it uses less digits than its factorization.

685276007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2291929.

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

The square root of 685276007 is about 26177.7769682607. The cubic root of 685276007 is about 881.6343624411.

The spelling of 685276007 in words is "six hundred eighty-five million, two hundred seventy-six thousand, seven".