67635225 has 36 divisors (see below), whose sum is σ = 138451456. Its totient is φ = 30918240.

The previous prime is 67635187. The next prime is 67635233. The reversal of 67635225 is 52253676.

It is a happy number.

It is not a de Polignac number, because 67635225 - 2⁸ = 67634969 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 67635225.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 19897 + ... + 23046.

Almost surely, 2^67635225 is an apocalyptic number.

It is an amenable number.

67635225 is an abundant number, since it is smaller than the sum of its proper divisors (70816231).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67635225 is a wasteful number, since it uses less digits than its factorization.

67635225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42966 (or 42958 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The square root of 67635225 is about 8224.0637765037. The cubic root of 67635225 is about 407.4343552908.

The spelling of 67635225 in words is "sixty-seven million, six hundred thirty-five thousand, two hundred twenty-five".