676637 has 16 divisors (see below), whose sum is σ = 795648. Its totient is φ = 570240.

The previous prime is 676601. The next prime is 676649. The reversal of 676637 is 736676.

676637 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 676637 - 2⁶ = 676573 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 676597 and 676606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9233 + ... + 9305.

It is an arithmetic number, because the mean of its divisors is an integer number (49728).

2⁶⁷⁶⁶³⁷ is an apocalyptic number.

It is an amenable number.

676637 is a deficient number, since it is larger than the sum of its proper divisors (119011).

676637 is a wasteful number, since it uses less digits than its factorization.

676637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140.

The product of its digits is 31752, while the sum is 35.

The square root of 676637 is about 822.5794794426. The cubic root of 676637 is about 87.7913877429.

The spelling of 676637 in words is "six hundred seventy-six thousand, six hundred thirty-seven".