672180211 has 2 divisors, whose sum is σ = 672180212. Its totient is φ = 672180210.

The previous prime is 672180193. The next prime is 672180227. The reversal of 672180211 is 112081276.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 672180211 - 2⁹ = 672179699 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 672180211.

It is not a weakly prime, because it can be changed into another prime (672180251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336090105 + 336090106.

It is an arithmetic number, because the mean of its divisors is an integer number (336090106).

Almost surely, 2^672180211 is an apocalyptic number.

672180211 is a deficient number, since it is larger than the sum of its proper divisors (1).

672180211 is an equidigital number, since it uses as much as digits as its factorization.

672180211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 672180211 is about 25926.4384557540. The cubic root of 672180211 is about 875.9821183530.

The spelling of 672180211 in words is "six hundred seventy-two million, one hundred eighty thousand, two hundred eleven".