670234 has 4 divisors (see below), whose sum is σ = 1005354. Its totient is φ = 335116.

The previous prime is 670231. The next prime is 670237. The reversal of 670234 is 432076.

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

It is an interprime number because it is at equal distance from previous prime (670231) and next prime (670237).

It can be written as a sum of positive squares in only one way, i.e., 558009 + 112225 = 747^2 + 335^2 .

It is a super-2 number, since 2×670234² = 898427229512, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (670231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167557 + ... + 167560.

2⁶⁷⁰²³⁴ is an apocalyptic number.

670234 is a deficient number, since it is larger than the sum of its proper divisors (335120).

670234 is a wasteful number, since it uses less digits than its factorization.

670234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335119.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 670234 is about 818.6782029589. The cubic root of 670234 is about 87.5135870057.

The spelling of 670234 in words is "six hundred seventy thousand, two hundred thirty-four".