670976 has 18 divisors (see below), whose sum is σ = 1339842. Its totient is φ = 335360.

The previous prime is 670963. The next prime is 670987. The reversal of 670976 is 679076.

It can be written as a sum of positive squares in only one way, i.e., 640000 + 30976 = 800^2 + 176^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055 + ... + 1566.

2⁶⁷⁰⁹⁷⁶ is an apocalyptic number.

It is an amenable number.

670976 is a deficient number, since it is larger than the sum of its proper divisors (668866).

670976 is an equidigital number, since it uses as much as digits as its factorization.

670976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2637 (or 2623 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 670976 is about 819.1312471149. The cubic root of 670976 is about 87.5458698272.

Subtracting 670976 from its reverse (679076), we obtain a square (8100 = 90²).

The spelling of 670976 in words is "six hundred seventy thousand, nine hundred seventy-six".