67280243 has 2 divisors, whose sum is σ = 67280244. Its totient is φ = 67280242.

The previous prime is 67280233. The next prime is 67280263. The reversal of 67280243 is 34208276.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67280243 - 2¹² = 67276147 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (67280233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33640121 + 33640122.

It is an arithmetic number, because the mean of its divisors is an integer number (33640122).

Almost surely, 2^67280243 is an apocalyptic number.

67280243 is a deficient number, since it is larger than the sum of its proper divisors (1).

67280243 is an equidigital number, since it uses as much as digits as its factorization.

67280243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 67280243 is about 8202.4534744185. The cubic root of 67280243 is about 406.7203011615.

The spelling of 67280243 in words is "sixty-seven million, two hundred eighty thousand, two hundred forty-three".