680627 has 4 divisors (see below), whose sum is σ = 687096. Its totient is φ = 674160.

The previous prime is 680623. The next prime is 680633. The reversal of 680627 is 726086.

680627 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 726086 = 2 ⋅363043.

It is a cyclic number.

It is not a de Polignac number, because 680627 - 2² = 680623 is a prime.

It is a super-2 number, since 2×680627² = 926506226258, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 680627.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 680627.

It is not an unprimeable number, because it can be changed into a prime (680623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3074 + ... + 3287.

It is an arithmetic number, because the mean of its divisors is an integer number (171774).

It is a Poulet number, since it divides 2⁶⁸⁰⁶²⁶-1.

2⁶⁸⁰⁶²⁷ is an apocalyptic number.

680627 is a deficient number, since it is larger than the sum of its proper divisors (6469).

680627 is a wasteful number, since it uses less digits than its factorization.

680627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6468.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 680627 is about 825.0012121203. The cubic root of 680627 is about 87.9636127110.

The spelling of 680627 in words is "six hundred eighty thousand, six hundred twenty-seven".