672916 has 12 divisors (see below), whose sum is σ = 1218420. Its totient is φ = 324800.

The previous prime is 672913. The next prime is 672937. The reversal of 672916 is 619276.

It can be written as a sum of positive squares in 2 ways, for example, as 547600 + 125316 = 740^2 + 354^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672913) 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, 2785 + ... + 3016.

It is an arithmetic number, because the mean of its divisors is an integer number (101535).

2⁶⁷²⁹¹⁶ is an apocalyptic number.

It is an amenable number.

672916 is a deficient number, since it is larger than the sum of its proper divisors (545504).

672916 is a wasteful number, since it uses less digits than its factorization.

672916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5834 (or 5832 counting only the distinct ones).

The product of its digits is 4536, while the sum is 31.

The square root of 672916 is about 820.3145738069. The cubic root of 672916 is about 87.6301627398.

The spelling of 672916 in words is "six hundred seventy-two thousand, nine hundred sixteen".