670336 has 16 divisors (see below), whose sum is σ = 1335690. Its totient is φ = 335104.

The previous prime is 670333. The next prime is 670343. The reversal of 670336 is 633076.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 462400 + 207936 = 680^2 + 456^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 670336.

It is not an unprimeable number, because it can be changed into a prime (670333) by changing a digit.

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, 2491 + ... + 2746.

2⁶⁷⁰³³⁶ is an apocalyptic number.

It is an amenable number.

670336 is a deficient number, since it is larger than the sum of its proper divisors (665354).

670336 is an equidigital number, since it uses as much as digits as its factorization.

670336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5251 (or 5239 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 25.

The square root of 670336 is about 818.7404961280. The cubic root of 670336 is about 87.5180262181.

The spelling of 670336 in words is "six hundred seventy thousand, three hundred thirty-six".