67424219 has 2 divisors, whose sum is σ = 67424220. Its totient is φ = 67424218.

The previous prime is 67424191. The next prime is 67424233. The reversal of 67424219 is 91242476.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67424219 - 2⁸ = 67423963 is a prime.

It is a super-2 number, since 2×67424219² = 9092050615519922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (67424419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33712109 + 33712110.

It is an arithmetic number, because the mean of its divisors is an integer number (33712110).

Almost surely, 2^67424219 is an apocalyptic number.

67424219 is a deficient number, since it is larger than the sum of its proper divisors (1).

67424219 is an equidigital number, since it uses as much as digits as its factorization.

67424219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 35.

The square root of 67424219 is about 8211.2251826387. The cubic root of 67424219 is about 407.0102141126.

The spelling of 67424219 in words is "sixty-seven million, four hundred twenty-four thousand, two hundred nineteen".