67966225 has 12 divisors (see below), whose sum is σ = 86557084. Its totient is φ = 52902720.

The previous prime is 67966189. The next prime is 67966231. The reversal of 67966225 is 52266976.

It can be written as a sum of positive squares in 6 ways, for example, as 13191424 + 54774801 = 3632^2 + 7401^2 .

It is not a de Polignac number, because 67966225 - 2¹⁹ = 67441937 is a prime.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35814 + ... + 37663.

Almost surely, 2^67966225 is an apocalyptic number.

It is an amenable number.

67966225 is a deficient number, since it is larger than the sum of its proper divisors (18590859).

67966225 is a wasteful number, since it uses less digits than its factorization.

67966225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73524 (or 73519 counting only the distinct ones).

The product of its digits is 272160, while the sum is 43.

The square root of 67966225 is about 8244.1630866935. The cubic root of 67966225 is about 408.0979215978.

The spelling of 67966225 in words is "sixty-seven million, nine hundred sixty-six thousand, two hundred twenty-five".