67614913 has 2 divisors, whose sum is σ = 67614914. Its totient is φ = 67614912.

The previous prime is 67614893. The next prime is 67614919. The reversal of 67614913 is 31941676.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55175184 + 12439729 = 7428^2 + 3527^2 .

It is a cyclic number.

It is not a de Polignac number, because 67614913 - 2⁵ = 67614881 is a prime.

It is not a weakly prime, because it can be changed into another prime (67614919) 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, 33807456 + 33807457.

It is an arithmetic number, because the mean of its divisors is an integer number (33807457).

Almost surely, 2^67614913 is an apocalyptic number.

It is an amenable number.

67614913 is a deficient number, since it is larger than the sum of its proper divisors (1).

67614913 is an equidigital number, since it uses as much as digits as its factorization.

67614913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 37.

The square root of 67614913 is about 8222.8287711711. The cubic root of 67614913 is about 407.3935647352.

The spelling of 67614913 in words is "sixty-seven million, six hundred fourteen thousand, nine hundred thirteen".