672216 has 32 divisors (see below), whose sum is σ = 1728240. Its totient is φ = 217728.

The previous prime is 672209. The next prime is 672223. The reversal of 672216 is 612276.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (672209) and next prime (672223).

It is a Harshad number since it is a multiple of its sum of digits (24).

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 672216.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 510 + ... + 1266.

2⁶⁷²²¹⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 672216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (864120).

672216 is an abundant number, since it is smaller than the sum of its proper divisors (1056024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

672216 is a wasteful number, since it uses less digits than its factorization.

672216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803 (or 799 counting only the distinct ones).

The product of its digits is 1008, while the sum is 24.

The square root of 672216 is about 819.8877972015. The cubic root of 672216 is about 87.5997664763.

It can be divided in two parts, 672 and 216, that added together give a palindrome (888).

The spelling of 672216 in words is "six hundred seventy-two thousand, two hundred sixteen".