670695 has 16 divisors (see below), whose sum is σ = 1092192. Its totient is φ = 351360.

The previous prime is 670693. The next prime is 670711. The reversal of 670695 is 596076.

It is not a de Polignac number, because 670695 - 2¹ = 670693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 549 + ... + 1281.

It is an arithmetic number, because the mean of its divisors is an integer number (68262).

2⁶⁷⁰⁶⁹⁵ is an apocalyptic number.

670695 is a deficient number, since it is larger than the sum of its proper divisors (421497).

670695 is a wasteful number, since it uses less digits than its factorization.

670695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 670695 is about 818.9597059685. The cubic root of 670695 is about 87.5336469238.

The spelling of 670695 in words is "six hundred seventy thousand, six hundred ninety-five".