67504225 has 6 divisors (see below), whose sum is σ = 83705270. Its totient is φ = 54003360.

The previous prime is 67504219. The next prime is 67504237. The reversal of 67504225 is 52240576.

It can be written as a sum of positive squares in 3 ways, for example, as 4524129 + 62980096 = 2127^2 + 7936^2 .

It is not a de Polignac number, because 67504225 - 2⁵ = 67504193 is a prime.

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, 1350060 + ... + 1350109.

Almost surely, 2^67504225 is an apocalyptic number.

It is an amenable number.

67504225 is a deficient number, since it is larger than the sum of its proper divisors (16201045).

67504225 is a wasteful number, since it uses less digits than its factorization.

67504225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2700179 (or 2700174 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 67504225 is about 8216.0954838658. The cubic root of 67504225 is about 407.1711374338.

The spelling of 67504225 in words is "sixty-seven million, five hundred four thousand, two hundred twenty-five".