234720067 has 2 divisors, whose sum is σ = 234720068. Its totient is φ = 234720066.

The previous prime is 234720049. The next prime is 234720089. The reversal of 234720067 is 760027432.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234720067 is a prime.

It is not a weakly prime, because it can be changed into another prime (234720047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117360033 + 117360034.

It is an arithmetic number, because the mean of its divisors is an integer number (117360034).

Almost surely, 2^234720067 is an apocalyptic number.

234720067 is a deficient number, since it is larger than the sum of its proper divisors (1).

234720067 is an equidigital number, since it uses as much as digits as its factorization.

234720067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 234720067 is about 15320.5765883664. The cubic root of 234720067 is about 616.8554509739.

Adding to 234720067 its reverse (760027432), we get a palindrome (994747499).

The spelling of 234720067 in words is "two hundred thirty-four million, seven hundred twenty thousand, sixty-seven".