67425273 has 6 divisors (see below), whose sum is σ = 97392074. Its totient is φ = 44950176.

The previous prime is 67425271. The next prime is 67425311. The reversal of 67425273 is 37252476.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 55398249 + 12027024 = 7443^2 + 3468^2 .

It is not a de Polignac number, because 67425273 - 2¹ = 67425271 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67425271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3745840 + ... + 3745857.

Almost surely, 2^67425273 is an apocalyptic number.

It is an amenable number.

67425273 is a deficient number, since it is larger than the sum of its proper divisors (29966801).

67425273 is a wasteful number, since it uses less digits than its factorization.

67425273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7491703 (or 7491700 counting only the distinct ones).

The product of its digits is 70560, while the sum is 36.

The square root of 67425273 is about 8211.2893628224. The cubic root of 67425273 is about 407.0123349456.

The spelling of 67425273 in words is "sixty-seven million, four hundred twenty-five thousand, two hundred seventy-three".