67220275 has 6 divisors (see below), whose sum is σ = 83353172. Its totient is φ = 53776200.

The previous prime is 67220273. The next prime is 67220281. The reversal of 67220275 is 57202276.

It is not a de Polignac number, because 67220275 - 2¹ = 67220273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67220273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1344381 + ... + 1344430.

Almost surely, 2^67220275 is an apocalyptic number.

67220275 is a deficient number, since it is larger than the sum of its proper divisors (16132897).

67220275 is a wasteful number, since it uses less digits than its factorization.

67220275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2688821 (or 2688816 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 67220275 is about 8198.7971678777. The cubic root of 67220275 is about 406.5994263846.

The spelling of 67220275 in words is "sixty-seven million, two hundred twenty thousand, two hundred seventy-five".