672546 has 32 divisors (see below), whose sum is σ = 1566720. Its totient is φ = 188496.

The previous prime is 672521. The next prime is 672557. The reversal of 672546 is 645276.

672546 is nontrivially palindromic in base 8.

It is a nialpdrome in base 16.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 672546.

It is an unprimeable number.

672546 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 15 ways as a sum of consecutive naturals, for example, 2695 + ... + 2933.

It is an arithmetic number, because the mean of its divisors is an integer number (48960).

2⁶⁷²⁵⁴⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 672546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (783360).

672546 is an abundant number, since it is smaller than the sum of its proper divisors (894174).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

672546 is a wasteful number, since it uses less digits than its factorization.

672546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318.

The product of its digits is 10080, while the sum is 30.

The square root of 672546 is about 820.0890195582. The cubic root of 672546 is about 87.6140987712.

The spelling of 672546 in words is "six hundred seventy-two thousand, five hundred forty-six".