67424443 has 2 divisors, whose sum is σ = 67424444. Its totient is φ = 67424442.

The previous prime is 67424419. The next prime is 67424453. The reversal of 67424443 is 34442476.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67424443 - 2⁹ = 67423931 is a prime.

It is equal to p_3975352 and since 67424443 and 3975352 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 67424399 and 67424408.

It is not a weakly prime, because it can be changed into another prime (67424453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33712221 + 33712222.

It is an arithmetic number, because the mean of its divisors is an integer number (33712222).

Almost surely, 2^67424443 is an apocalyptic number.

67424443 is a deficient number, since it is larger than the sum of its proper divisors (1).

67424443 is an equidigital number, since it uses as much as digits as its factorization.

67424443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512, while the sum is 34.

The square root of 67424443 is about 8211.2388224920. The cubic root of 67424443 is about 407.0106648418.

The spelling of 67424443 in words is "sixty-seven million, four hundred twenty-four thousand, four hundred forty-three".