67126273 has 2 divisors, whose sum is σ = 67126274. Its totient is φ = 67126272.

The previous prime is 67126243. The next prime is 67126277. The reversal of 67126273 is 37262176.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67125249 + 1024 = 8193^2 + 32^2 .

It is a cyclic number.

It is not a de Polignac number, because 67126273 - 2⁹ = 67125761 is a prime.

It is not a weakly prime, because it can be changed into another prime (67126277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33563136 + 33563137.

It is an arithmetic number, because the mean of its divisors is an integer number (33563137).

Almost surely, 2^67126273 is an apocalyptic number.

It is an amenable number.

67126273 is a deficient number, since it is larger than the sum of its proper divisors (1).

67126273 is an equidigital number, since it uses as much as digits as its factorization.

67126273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21168, while the sum is 34.

The square root of 67126273 is about 8193.0624921332. The cubic root of 67126273 is about 406.4098060679.

The spelling of 67126273 in words is "sixty-seven million, one hundred twenty-six thousand, two hundred seventy-three".