672287 has 8 divisors (see below), whose sum is σ = 838272. Its totient is φ = 523800.

The previous prime is 672283. The next prime is 672289. The reversal of 672287 is 782276.

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 672287 - 2² = 672283 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672283) 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, 4289 + ... + 4442.

It is an arithmetic number, because the mean of its divisors is an integer number (104784).

2⁶⁷²²⁸⁷ is an apocalyptic number.

672287 is a deficient number, since it is larger than the sum of its proper divisors (165985).

672287 is a wasteful number, since it uses less digits than its factorization.

672287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8749.

The product of its digits is 9408, while the sum is 32.

The square root of 672287 is about 819.9310946659. The cubic root of 672287 is about 87.6028504872.

It can be divided in two parts, 67228 and 7, that multiplied together give a square (470596 = 686²).

The spelling of 672287 in words is "six hundred seventy-two thousand, two hundred eighty-seven".