67013663 has 2 divisors, whose sum is σ = 67013664. Its totient is φ = 67013662.

The previous prime is 67013659. The next prime is 67013669. The reversal of 67013663 is 36631076.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67013663 - 2² = 67013659 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67013669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33506831 + 33506832.

It is an arithmetic number, because the mean of its divisors is an integer number (33506832).

Almost surely, 2^67013663 is an apocalyptic number.

67013663 is a deficient number, since it is larger than the sum of its proper divisors (1).

67013663 is an equidigital number, since it uses as much as digits as its factorization.

67013663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 67013663 is about 8186.1873298869. The cubic root of 67013663 is about 406.1824165918.

It can be divided in two parts, 67013 and 663, that added together give a palindrome (67676).

The spelling of 67013663 in words is "sixty-seven million, thirteen thousand, six hundred sixty-three".