672146 has 16 divisors (see below), whose sum is σ = 1090584. Its totient is φ = 309504.

The previous prime is 672143. The next prime is 672151. The reversal of 672146 is 641276.

It can be written as a sum of positive squares in 4 ways, for example, as 664225 + 7921 = 815^2 + 89^2 .

It is not an unprimeable number, because it can be changed into a prime (672143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1616 + ... + 1988.

2⁶⁷²¹⁴⁶ is an apocalyptic number.

672146 is a deficient number, since it is larger than the sum of its proper divisors (418438).

672146 is a wasteful number, since it uses less digits than its factorization.

672146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445.

The product of its digits is 2016, while the sum is 26.

The square root of 672146 is about 819.8451073221. The cubic root of 672146 is about 87.5967256896.

It can be divided in two parts, 672 and 146, that added together give a palindrome (818).

The spelling of 672146 in words is "six hundred seventy-two thousand, one hundred forty-six".