672663 has 4 divisors (see below), whose sum is σ = 896888. Its totient is φ = 448440.

The previous prime is 672653. The next prime is 672667. The reversal of 672663 is 366276.

672663 is nontrivially palindromic in base 7.

672663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 672663 - 2⁹ = 672151 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 672663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112108 + ... + 112113.

It is an arithmetic number, because the mean of its divisors is an integer number (224222).

2⁶⁷²⁶⁶³ is an apocalyptic number.

672663 is a deficient number, since it is larger than the sum of its proper divisors (224225).

672663 is a wasteful number, since it uses less digits than its factorization.

672663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224224.

The product of its digits is 9072, while the sum is 30.

The square root of 672663 is about 820.1603501755. The cubic root of 672663 is about 87.6191790954.

The spelling of 672663 in words is "six hundred seventy-two thousand, six hundred sixty-three".