672512200 has 48 divisors (see below), whose sum is σ = 1567282500. Its totient is φ = 268369920.

The previous prime is 672512189. The next prime is 672512221. The reversal of 672512200 is 2215276.

It can be written as a sum of positive squares in 6 ways, for example, as 279759076 + 392753124 = 16726^2 + 19818^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86056 + ... + 93544.

Almost surely, 2^672512200 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 672512200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (783641250).

672512200 is an abundant number, since it is smaller than the sum of its proper divisors (894770300).

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

672512200 is a wasteful number, since it uses less digits than its factorization.

672512200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7954 (or 7945 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 672512200 is about 25932.8401838287. The cubic root of 672512200 is about 876.1263101227.

Adding to 672512200 its reverse (2215276), we get a palindrome (674727476).

The spelling of 672512200 in words is "six hundred seventy-two million, five hundred twelve thousand, two hundred".