670329 has 32 divisors (see below), whose sum is σ = 1130880. Its totient is φ = 388800.

The previous prime is 670321. The next prime is 670333. The reversal of 670329 is 923076.

It is not a de Polignac number, because 670329 - 2³ = 670321 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

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

670329 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 670329.

It is not an unprimeable number, because it can be changed into a prime (670321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10959 + ... + 11019.

It is an arithmetic number, because the mean of its divisors is an integer number (35340).

2⁶⁷⁰³²⁹ is an apocalyptic number.

It is an amenable number.

670329 is a deficient number, since it is larger than the sum of its proper divisors (460551).

670329 is a wasteful number, since it uses less digits than its factorization.

670329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 670329 is about 818.7362212581. The cubic root of 670329 is about 87.5177215806.

It can be divided in two parts, 670 and 329, that added together give a palindrome (999).

The spelling of 670329 in words is "six hundred seventy thousand, three hundred twenty-nine".