672363216 has 120 divisors (see below), whose sum is σ = 2219969024. Its totient is φ = 185898240.

The previous prime is 672363193. The next prime is 672363229. The reversal of 672363216 is 612363276.

672363216 is a `hidden beast` number, since 6 + 7 + 2 + 3 + 632 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20490 + ... + 42006.

Almost surely, 2^672363216 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 672363216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1109984512).

672363216 is an abundant number, since it is smaller than the sum of its proper divisors (1547605808).

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

672363216 is a wasteful number, since it uses less digits than its factorization.

672363216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21569 (or 21560 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 672363216 is about 25929.9675279396. The cubic root of 672363216 is about 876.0616082273.

The spelling of 672363216 in words is "six hundred seventy-two million, three hundred sixty-three thousand, two hundred sixteen".