672566 has 8 divisors (see below), whose sum is σ = 1052784. Its totient is φ = 321640.

The previous prime is 672557. The next prime is 672577. The reversal of 672566 is 665276.

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

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 672566.

It is an unprimeable number.

672566 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7265 + ... + 7356.

It is an arithmetic number, because the mean of its divisors is an integer number (131598).

2⁶⁷²⁵⁶⁶ is an apocalyptic number.

672566 is a deficient number, since it is larger than the sum of its proper divisors (380218).

672566 is a wasteful number, since it uses less digits than its factorization.

672566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14646.

The product of its digits is 15120, while the sum is 32.

The square root of 672566 is about 820.1012132658. The cubic root of 672566 is about 87.6149672444.

The spelling of 672566 in words is "six hundred seventy-two thousand, five hundred sixty-six".