672706 has 4 divisors (see below), whose sum is σ = 1009062. Its totient is φ = 336352.

The previous prime is 672703. The next prime is 672743. The reversal of 672706 is 607276.

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

It can be written as a sum of positive squares in only one way, i.e., 654481 + 18225 = 809^2 + 135^2 .

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 as a sum of consecutive naturals, namely, 168175 + ... + 168178.

2⁶⁷²⁷⁰⁶ is an apocalyptic number.

672706 is a deficient number, since it is larger than the sum of its proper divisors (336356).

672706 is a wasteful number, since it uses less digits than its factorization.

672706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336355.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 672706 is about 820.1865641426. The cubic root of 672706 is about 87.6210460751.

It can be divided in two parts, 67270 and 6, that added together give a palindrome (67276).

The spelling of 672706 in words is "six hundred seventy-two thousand, seven hundred six".