672648 has 16 divisors (see below), whose sum is σ = 1681680. Its totient is φ = 224208.

The previous prime is 672643. The next prime is 672653. The reversal of 672648 is 846276.

It is an interprime number because it is at equal distance from previous prime (672643) and next prime (672653).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 672648.

It is not an unprimeable number, because it can be changed into a prime (672641) 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 3 ways as a sum of consecutive naturals, for example, 13990 + ... + 14037.

It is an arithmetic number, because the mean of its divisors is an integer number (105105).

2⁶⁷²⁶⁴⁸ is an apocalyptic number.

It is an amenable number.

672648 is an abundant number, since it is smaller than the sum of its proper divisors (1009032).

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

672648 is a wasteful number, since it uses less digits than its factorization.

672648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28036 (or 28032 counting only the distinct ones).

The product of its digits is 16128, while the sum is 33.

The square root of 672648 is about 820.1512055713. The cubic root of 672648 is about 87.6185278047.

The spelling of 672648 in words is "six hundred seventy-two thousand, six hundred forty-eight".