67289225 has 12 divisors (see below), whose sum is σ = 83541900. Its totient is φ = 53764800.

The previous prime is 67289221. The next prime is 67289227. The reversal of 67289225 is 52298276.

It can be written as a sum of positive squares in 6 ways, for example, as 16 + 67289209 = 4^2 + 8203^2 .

It is not a de Polignac number, because 67289225 - 2² = 67289221 is a prime.

It is a super-2 number, since 2×67289225² = 9055679602201250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (67289221) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 33551 + ... + 35499.

It is an arithmetic number, because the mean of its divisors is an integer number (6961825).

Almost surely, 2^67289225 is an apocalyptic number.

It is an amenable number.

67289225 is a deficient number, since it is larger than the sum of its proper divisors (16252675).

67289225 is a wasteful number, since it uses less digits than its factorization.

67289225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3340 (or 3335 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 67289225 is about 8203.0009752529. Note that the first 3 decimals coincide. The cubic root of 67289225 is about 406.7383995860.

The spelling of 67289225 in words is "sixty-seven million, two hundred eighty-nine thousand, two hundred twenty-five".