671201200 has 60 divisors (see below), whose sum is σ = 1629279400. Its totient is φ = 265697280.

The previous prime is 671201197. The next prime is 671201207. The reversal of 671201200 is 2102176.

671201200 = T₃₉ + T₄₀ + ... + T₁₅₉₀.

It is a super-2 number, since 2×671201200² = 901022101762880000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (671201207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30151 + ... + 47449.

Almost surely, 2^671201200 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 671201200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (814639700).

671201200 is an abundant number, since it is smaller than the sum of its proper divisors (958078200).

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

671201200 is a wasteful number, since it uses less digits than its factorization.

671201200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17414 (or 17403 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 671201200 is about 25907.5510228196. The cubic root of 671201200 is about 875.5566308585.

Adding to 671201200 its reverse (2102176), we get a palindrome (673303376).

The spelling of 671201200 in words is "six hundred seventy-one million, two hundred one thousand, two hundred".