67275025 has 6 divisors (see below), whose sum is σ = 83421062. Its totient is φ = 53820000.

The previous prime is 67275007. The next prime is 67275031. The reversal of 67275025 is 52057276.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 6185169 + 61089856 = 2487^2 + 7816^2 .

It is not a de Polignac number, because 67275025 - 2⁵ = 67274993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1345476 + ... + 1345525.

Almost surely, 2^67275025 is an apocalyptic number.

It is an amenable number.

67275025 is a deficient number, since it is larger than the sum of its proper divisors (16146037).

67275025 is a wasteful number, since it uses less digits than its factorization.

67275025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2691011 (or 2691006 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 67275025 is about 8202.1353926889. The cubic root of 67275025 is about 406.7097863293.

The spelling of 67275025 in words is "sixty-seven million, two hundred seventy-five thousand, twenty-five".