672733 has 4 divisors (see below), whose sum is σ = 708160. Its totient is φ = 637308.

The previous prime is 672703. The next prime is 672743. The reversal of 672733 is 337276.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 672733 - 2¹⁷ = 541661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17685 + ... + 17722.

It is an arithmetic number, because the mean of its divisors is an integer number (177040).

2⁶⁷²⁷³³ is an apocalyptic number.

It is an amenable number.

672733 is a deficient number, since it is larger than the sum of its proper divisors (35427).

672733 is a wasteful number, since it uses less digits than its factorization.

672733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35426.

The product of its digits is 5292, while the sum is 28.

The square root of 672733 is about 820.2030236472. The cubic root of 672733 is about 87.6222183239.

It can be divided in two parts, 67273 and 3, that added together give a palindrome (67276).

The spelling of 672733 in words is "six hundred seventy-two thousand, seven hundred thirty-three".