67243039 has 2 divisors, whose sum is σ = 67243040. Its totient is φ = 67243038.

The previous prime is 67243027. The next prime is 67243063. The reversal of 67243039 is 93034276.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67243039 - 2¹¹ = 67240991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 67242995 and 67243013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67243069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33621519 + 33621520.

It is an arithmetic number, because the mean of its divisors is an integer number (33621520).

Almost surely, 2^67243039 is an apocalyptic number.

67243039 is a deficient number, since it is larger than the sum of its proper divisors (1).

67243039 is an equidigital number, since it uses as much as digits as its factorization.

67243039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 67243039 is about 8200.1853027843. The cubic root of 67243039 is about 406.6453192085.

The spelling of 67243039 in words is "sixty-seven million, two hundred forty-three thousand, thirty-nine".