67674413 has 2 divisors, whose sum is σ = 67674414. Its totient is φ = 67674412.

The previous prime is 67674377. The next prime is 67674419. The reversal of 67674413 is 31447676.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38912644 + 28761769 = 6238^2 + 5363^2 .

It is a cyclic number.

It is not a de Polignac number, because 67674413 - 2⁸ = 67674157 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67674419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33837206 + 33837207.

It is an arithmetic number, because the mean of its divisors is an integer number (33837207).

Almost surely, 2^67674413 is an apocalyptic number.

It is an amenable number.

67674413 is a deficient number, since it is larger than the sum of its proper divisors (1).

67674413 is an equidigital number, since it uses as much as digits as its factorization.

67674413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 38.

The square root of 67674413 is about 8226.4459519285. The cubic root of 67674413 is about 407.5130295557.

The spelling of 67674413 in words is "sixty-seven million, six hundred seventy-four thousand, four hundred thirteen".