67672229 has 2 divisors, whose sum is σ = 67672230. Its totient is φ = 67672228.

The previous prime is 67672219. The next prime is 67672261. The reversal of 67672229 is 92227676.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53217025 + 14455204 = 7295^2 + 3802^2 .

It is a cyclic number.

It is not a de Polignac number, because 67672229 - 2⁸ = 67671973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67672219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33836114 + 33836115.

It is an arithmetic number, because the mean of its divisors is an integer number (33836115).

Almost surely, 2^67672229 is an apocalyptic number.

It is an amenable number.

67672229 is a deficient number, since it is larger than the sum of its proper divisors (1).

67672229 is an equidigital number, since it uses as much as digits as its factorization.

67672229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127008, while the sum is 41.

The square root of 67672229 is about 8226.3132082361. The cubic root of 67672229 is about 407.5086457322.

The spelling of 67672229 in words is "sixty-seven million, six hundred seventy-two thousand, two hundred twenty-nine".