670677 has 16 divisors (see below), whose sum is σ = 1034880. Its totient is φ = 378432.

The previous prime is 670673. The next prime is 670693. The reversal of 670677 is 776076.

It is a happy number.

It is not a de Polignac number, because 670677 - 2² = 670673 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 670677.

It is not an unprimeable number, because it can be changed into a prime (670673) 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, 2143 + ... + 2435.

It is an arithmetic number, because the mean of its divisors is an integer number (64680).

2⁶⁷⁰⁶⁷⁷ is an apocalyptic number.

It is an amenable number.

670677 is a deficient number, since it is larger than the sum of its proper divisors (364203).

670677 is a wasteful number, since it uses less digits than its factorization.

670677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412.

The product of its (nonzero) digits is 12348, while the sum is 33.

The square root of 670677 is about 818.9487163431. The cubic root of 670677 is about 87.5328638457.

The spelling of 670677 in words is "six hundred seventy thousand, six hundred seventy-seven".