670235 has 4 divisors (see below), whose sum is σ = 804288. Its totient is φ = 536184.

The previous prime is 670231. The next prime is 670237. The reversal of 670235 is 532076.

670235 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 670235 - 2² = 670231 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 670235.

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 in 3 ways as a sum of consecutive naturals, for example, 67019 + ... + 67028.

It is an arithmetic number, because the mean of its divisors is an integer number (201072).

2⁶⁷⁰²³⁵ is an apocalyptic number.

670235 is a deficient number, since it is larger than the sum of its proper divisors (134053).

670235 is a wasteful number, since it uses less digits than its factorization.

670235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134052.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 670235 is about 818.6788136992. The cubic root of 670235 is about 87.5136305296.

The spelling of 670235 in words is "six hundred seventy thousand, two hundred thirty-five".