667270 has 16 divisors (see below), whose sum is σ = 1224720. Its totient is φ = 261664.

The previous prime is 667243. The next prime is 667273. The reversal of 667270 is 72766.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100 + ... + 1159.

It is an arithmetic number, because the mean of its divisors is an integer number (76545).

2⁶⁶⁷²⁷⁰ is an apocalyptic number.

667270 is a deficient number, since it is larger than the sum of its proper divisors (557450).

667270 is a wasteful number, since it uses less digits than its factorization.

667270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1319.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 667270 is about 816.8659620770. The cubic root of 667270 is about 87.3843915385.

It can be divided in two parts, 6 and 67270, that added together give a palindrome (67276).

The spelling of 667270 in words is "six hundred sixty-seven thousand, two hundred seventy".