672403 has 8 divisors (see below), whose sum is σ = 697376. Its totient is φ = 648000.

The previous prime is 672379. The next prime is 672439. The reversal of 672403 is 304276.

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

It is a cyclic number.

It is not a de Polignac number, because 672403 - 2¹³ = 664211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (672443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4378 + ... + 4528.

It is an arithmetic number, because the mean of its divisors is an integer number (87172).

2⁶⁷²⁴⁰³ is an apocalyptic number.

672403 is a deficient number, since it is larger than the sum of its proper divisors (24973).

672403 is a wasteful number, since it uses less digits than its factorization.

672403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 672403 is about 820.0018292663. The cubic root of 672403 is about 87.6078886858.

Adding to 672403 its reverse (304276), we get a palindrome (976679).

The spelling of 672403 in words is "six hundred seventy-two thousand, four hundred three".