670873 has 8 divisors (see below), whose sum is σ = 771840. Its totient is φ = 571200.

The previous prime is 670867. The next prime is 670877. The reversal of 670873 is 378076.

670873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 670873 - 2¹³ = 662681 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1473 + ... + 1873.

It is an arithmetic number, because the mean of its divisors is an integer number (96480).

2⁶⁷⁰⁸⁷³ is an apocalyptic number.

It is an amenable number.

670873 is a deficient number, since it is larger than the sum of its proper divisors (100967).

670873 is a wasteful number, since it uses less digits than its factorization.

670873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 670873 is about 819.0683732143. The cubic root of 670873 is about 87.5413899421.

The spelling of 670873 in words is "six hundred seventy thousand, eight hundred seventy-three".