667200213 has 8 divisors (see below), whose sum is σ = 988444800. Its totient is φ = 444800124.

The previous prime is 667200211. The next prime is 667200221. The reversal of 667200213 is 312002766.

It is a happy number.

It is not a de Polignac number, because 667200213 - 2¹ = 667200211 is a prime.

It is a super-2 number, since 2×667200213² = 890312248454490738, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 24711119 = 667200213 / (6 + 6 + 7 + 2 + 0 + 0 + 2 + 1 + 3).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667200211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12355533 + ... + 12355586.

It is an arithmetic number, because the mean of its divisors is an integer number (123555600).

Almost surely, 2^667200213 is an apocalyptic number.

It is an amenable number.

667200213 is a deficient number, since it is larger than the sum of its proper divisors (321244587).

667200213 is a wasteful number, since it uses less digits than its factorization.

667200213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24711128 (or 24711122 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 667200213 is about 25830.2189886187. The cubic root of 667200213 is about 873.8134504199.

Adding to 667200213 its reverse (312002766), we get a palindrome (979202979).

The spelling of 667200213 in words is "six hundred sixty-seven million, two hundred thousand, two hundred thirteen".