67672201 has 2 divisors, whose sum is σ = 67672202. Its totient is φ = 67672200.

The previous prime is 67672193. The next prime is 67672207. The reversal of 67672201 is 10227676.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67634176 + 38025 = 8224^2 + 195^2 .

It is a cyclic number.

It is not a de Polignac number, because 67672201 - 2³ = 67672193 is a prime.

It is not a weakly prime, because it can be changed into another prime (67672207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33836100 + 33836101.

It is an arithmetic number, because the mean of its divisors is an integer number (33836101).

Almost surely, 2^67672201 is an apocalyptic number.

It is an amenable number.

67672201 is a deficient number, since it is larger than the sum of its proper divisors (1).

67672201 is an equidigital number, since it uses as much as digits as its factorization.

67672201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 67672201 is about 8226.3115063800. The cubic root of 67672201 is about 407.5085895288.

Adding to 67672201 its reverse (10227676), we get a palindrome (77899877).

The spelling of 67672201 in words is "sixty-seven million, six hundred seventy-two thousand, two hundred one".