672748216 has 16 divisors (see below), whose sum is σ = 1441603440. Its totient is φ = 288320640.

The previous prime is 672748211. The next prime is 672748247. The reversal of 672748216 is 612847276.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672748211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6006625 + ... + 6006736.

It is an arithmetic number, because the mean of its divisors is an integer number (90100215).

Almost surely, 2^672748216 is an apocalyptic number.

It is an amenable number.

672748216 is an abundant number, since it is smaller than the sum of its proper divisors (768855224).

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

672748216 is a wasteful number, since it uses less digits than its factorization.

672748216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12013374 (or 12013370 counting only the distinct ones).

The product of its digits is 225792, while the sum is 43.

The square root of 672748216 is about 25937.3903082018. The cubic root of 672748216 is about 876.2287893751.

The spelling of 672748216 in words is "six hundred seventy-two million, seven hundred forty-eight thousand, two hundred sixteen".