672673 has 4 divisors (see below), whose sum is σ = 712260. Its totient is φ = 633088.

The previous prime is 672667. The next prime is 672703. The reversal of 672673 is 376276.

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 471969 + 200704 = 687^2 + 448^2 .

It is a cyclic number.

It is not a de Polignac number, because 672673 - 2⁵ = 672641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (672643) 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, 19768 + ... + 19801.

It is an arithmetic number, because the mean of its divisors is an integer number (178065).

2⁶⁷²⁶⁷³ is an apocalyptic number.

It is an amenable number.

672673 is a deficient number, since it is larger than the sum of its proper divisors (39587).

672673 is a wasteful number, since it uses less digits than its factorization.

672673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39586.

The product of its digits is 10584, while the sum is 31.

The square root of 672673 is about 820.1664465217. The cubic root of 672673 is about 87.6196132838.

The spelling of 672673 in words is "six hundred seventy-two thousand, six hundred seventy-three".