672170 has 8 divisors (see below), whose sum is σ = 1209924. Its totient is φ = 268864.

The previous prime is 672169. The next prime is 672181. The reversal of 672170 is 71276.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 654481 + 17689 = 809^2 + 133^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 672170.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33599 + ... + 33618.

2⁶⁷²¹⁷⁰ is an apocalyptic number.

672170 is a deficient number, since it is larger than the sum of its proper divisors (537754).

672170 is a wasteful number, since it uses less digits than its factorization.

672170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67224.

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 672170 is about 819.8597441026. The cubic root of 672170 is about 87.5977682688.

The spelling of 672170 in words is "six hundred seventy-two thousand, one hundred seventy".