67674473 has 2 divisors, whose sum is σ = 67674474. Its totient is φ = 67674472.

The previous prime is 67674463. The next prime is 67674491. The reversal of 67674473 is 37447676.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66129424 + 1545049 = 8132^2 + 1243^2 .

It is a cyclic number.

It is not a de Polignac number, because 67674473 - 2¹⁰ = 67673449 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (67674413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33837236 + 33837237.

It is an arithmetic number, because the mean of its divisors is an integer number (33837237).

Almost surely, 2^67674473 is an apocalyptic number.

It is an amenable number.

67674473 is a deficient number, since it is larger than the sum of its proper divisors (1).

67674473 is an equidigital number, since it uses as much as digits as its factorization.

67674473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 592704, while the sum is 44.

The square root of 67674473 is about 8226.4495987030. The cubic root of 67674473 is about 407.5131499890.

The spelling of 67674473 in words is "sixty-seven million, six hundred seventy-four thousand, four hundred seventy-three".