670075 has 18 divisors (see below), whose sum is σ = 968316. Its totient is φ = 458640.

The previous prime is 670051. The next prime is 670097. The reversal of 670075 is 570076.

It is not a de Polignac number, because 670075 - 2⁷ = 669947 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

670075 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 952 + ... + 1498.

2⁶⁷⁰⁰⁷⁵ is an apocalyptic number.

670075 is a deficient number, since it is larger than the sum of its proper divisors (298241).

670075 is a wasteful number, since it uses less digits than its factorization.

670075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571 (or 559 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 670075 is about 818.5810894469. The cubic root of 670075 is about 87.5066661588.

Subtracting from 670075 its reverse (570076), we obtain a palindrome (99999).

The spelling of 670075 in words is "six hundred seventy thousand, seventy-five".