670927 has 4 divisors (see below), whose sum is σ = 683640. Its totient is φ = 658216.

The previous prime is 670919. The next prime is 670931. The reversal of 670927 is 729076.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 670927 - 2³ = 670919 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670987) 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, 6277 + ... + 6382.

It is an arithmetic number, because the mean of its divisors is an integer number (170910).

2⁶⁷⁰⁹²⁷ is an apocalyptic number.

670927 is a deficient number, since it is larger than the sum of its proper divisors (12713).

670927 is a wasteful number, since it uses less digits than its factorization.

670927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12712.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 670927 is about 819.1013368320. The cubic root of 670927 is about 87.5437386769.

The spelling of 670927 in words is "six hundred seventy thousand, nine hundred twenty-seven".