67242899 has 2 divisors, whose sum is σ = 67242900. Its totient is φ = 67242898.

The previous prime is 67242883. The next prime is 67242913. The reversal of 67242899 is 99824276.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67242899 - 2⁴ = 67242883 is a prime.

It is not a weakly prime, because it can be changed into another prime (67242839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33621449 + 33621450.

It is an arithmetic number, because the mean of its divisors is an integer number (33621450).

Almost surely, 2^67242899 is an apocalyptic number.

67242899 is a deficient number, since it is larger than the sum of its proper divisors (1).

67242899 is an equidigital number, since it uses as much as digits as its factorization.

67242899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 47.

The square root of 67242899 is about 8200.1767663874. The cubic root of 67242899 is about 406.6450369964.

The spelling of 67242899 in words is "sixty-seven million, two hundred forty-two thousand, eight hundred ninety-nine".