67624223 has 2 divisors, whose sum is σ = 67624224. Its totient is φ = 67624222.

The previous prime is 67624217. The next prime is 67624241. The reversal of 67624223 is 32242676.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67624223 - 2¹⁸ = 67362079 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 67624223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67624243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33812111 + 33812112.

It is an arithmetic number, because the mean of its divisors is an integer number (33812112).

Almost surely, 2^67624223 is an apocalyptic number.

67624223 is a deficient number, since it is larger than the sum of its proper divisors (1).

67624223 is an equidigital number, since it uses as much as digits as its factorization.

67624223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 32.

The square root of 67624223 is about 8223.3948585727. The cubic root of 67624223 is about 407.4122620898.

Adding to 67624223 its reverse (32242676), we get a palindrome (99866899).

The spelling of 67624223 in words is "sixty-seven million, six hundred twenty-four thousand, two hundred twenty-three".