67282247 has 2 divisors, whose sum is σ = 67282248. Its totient is φ = 67282246.

The previous prime is 67282231. The next prime is 67282253. The reversal of 67282247 is 74228276.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67282247 - 2⁴ = 67282231 is a prime.

It is a super-2 number, since 2×67282247² = 9053801522738018, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 67282247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67282217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33641123 + 33641124.

It is an arithmetic number, because the mean of its divisors is an integer number (33641124).

Almost surely, 2^67282247 is an apocalyptic number.

67282247 is a deficient number, since it is larger than the sum of its proper divisors (1).

67282247 is an equidigital number, since it uses as much as digits as its factorization.

67282247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75264, while the sum is 38.

The square root of 67282247 is about 8202.5756320805. The cubic root of 67282247 is about 406.7243392929.

The spelling of 67282247 in words is "sixty-seven million, two hundred eighty-two thousand, two hundred forty-seven".