67251273 has 8 divisors (see below), whose sum is σ = 89708736. Its totient is φ = 44814000.

The previous prime is 67251263. The next prime is 67251277. The reversal of 67251273 is 37215276.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 67251273 - 2⁴ = 67251257 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (67251277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6508 + ... + 13298.

It is an arithmetic number, because the mean of its divisors is an integer number (11213592).

Almost surely, 2^67251273 is an apocalyptic number.

It is an amenable number.

67251273 is a deficient number, since it is larger than the sum of its proper divisors (22457463).

67251273 is a wasteful number, since it uses less digits than its factorization.

67251273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10095.

The product of its digits is 17640, while the sum is 33.

The square root of 67251273 is about 8200.6873492409. The cubic root of 67251273 is about 406.6619166186.

The spelling of 67251273 in words is "sixty-seven million, two hundred fifty-one thousand, two hundred seventy-three".