67297963 has 2 divisors, whose sum is σ = 67297964. Its totient is φ = 67297962.

The previous prime is 67297961. The next prime is 67297991. The reversal of 67297963 is 36979276.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67297963 - 2¹ = 67297961 is a prime.

Together with 67297961, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (67297961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33648981 + 33648982.

It is an arithmetic number, because the mean of its divisors is an integer number (33648982).

Almost surely, 2^67297963 is an apocalyptic number.

67297963 is a deficient number, since it is larger than the sum of its proper divisors (1).

67297963 is an equidigital number, since it uses as much as digits as its factorization.

67297963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 857304, while the sum is 49.

The square root of 67297963 is about 8203.5335679206. The cubic root of 67297963 is about 406.7560048133.

The spelling of 67297963 in words is "sixty-seven million, two hundred ninety-seven thousand, nine hundred sixty-three".