672947 has 8 divisors (see below), whose sum is σ = 741312. Its totient is φ = 605800.

The previous prime is 672943. The next prime is 672949. The reversal of 672947 is 749276.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 672947 - 2² = 672943 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (672943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1208 + ... + 1674.

It is an arithmetic number, because the mean of its divisors is an integer number (92664).

2⁶⁷²⁹⁴⁷ is an apocalyptic number.

672947 is a deficient number, since it is larger than the sum of its proper divisors (68365).

672947 is a wasteful number, since it uses less digits than its factorization.

672947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609.

The product of its digits is 21168, while the sum is 35.

The square root of 672947 is about 820.3334687796. Note that the first 3 decimals coincide. The cubic root of 672947 is about 87.6315083725.

It can be divided in two parts, 6729 and 47, that added together give a palindrome (6776).

The spelling of 672947 in words is "six hundred seventy-two thousand, nine hundred forty-seven".