670575 has 12 divisors (see below), whose sum is σ = 1108808. Its totient is φ = 357600.

The previous prime is 670559. The next prime is 670577. The reversal of 670575 is 575076.

670575 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 670575 - 2⁴ = 670559 is a prime.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

670575 is strictly pandigital in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4396 + ... + 4545.

2⁶⁷⁰⁵⁷⁵ is an apocalyptic number.

670575 is a deficient number, since it is larger than the sum of its proper divisors (438233).

670575 is a wasteful number, since it uses less digits than its factorization.

670575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8954 (or 8949 counting only the distinct ones).

The product of its (nonzero) digits is 7350, while the sum is 30.

The square root of 670575 is about 818.8864390134. The cubic root of 670575 is about 87.5284261383.

The spelling of 670575 in words is "six hundred seventy thousand, five hundred seventy-five".