670319 has 4 divisors (see below), whose sum is σ = 721896. Its totient is φ = 618744.

The previous prime is 670303. The next prime is 670321. The reversal of 670319 is 913076.

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 670319 - 2⁴ = 670303 is a prime.

It is a super-2 number, since 2×670319² = 898655123522, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 6.

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 670319.

It is not an unprimeable number, because it can be changed into a prime (670349) 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, 25769 + ... + 25794.

It is an arithmetic number, because the mean of its divisors is an integer number (180474).

2⁶⁷⁰³¹⁹ is an apocalyptic number.

670319 is a deficient number, since it is larger than the sum of its proper divisors (51577).

670319 is a wasteful number, since it uses less digits than its factorization.

670319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51576.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 670319 is about 818.7301142623. The cubic root of 670319 is about 87.5172863806.

It can be divided in two parts, 670 and 319, that added together give a palindrome (989).

The spelling of 670319 in words is "six hundred seventy thousand, three hundred nineteen".