672713 has 4 divisors (see below), whose sum is σ = 695940. Its totient is φ = 649488.

The previous prime is 672703. The next prime is 672743. The reversal of 672713 is 317276.

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

It can be written as a sum of positive squares in 2 ways, for example, as 135424 + 537289 = 368^2 + 733^2 .

It is a cyclic number.

It is not a de Polignac number, because 672713 - 2¹² = 668617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (672703) 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, 11570 + ... + 11627.

It is an arithmetic number, because the mean of its divisors is an integer number (173985).

2⁶⁷²⁷¹³ is an apocalyptic number.

It is an amenable number.

672713 is a deficient number, since it is larger than the sum of its proper divisors (23227).

672713 is a wasteful number, since it uses less digits than its factorization.

672713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23226.

The product of its digits is 1764, while the sum is 26.

The square root of 672713 is about 820.1908314533. The cubic root of 672713 is about 87.6213499944.

Adding to 672713 its reverse (317276), we get a palindrome (989989).

The spelling of 672713 in words is "six hundred seventy-two thousand, seven hundred thirteen".