68943225 has 48 divisors (see below), whose sum is σ = 126769664. Its totient is φ = 32832000.

The previous prime is 68943223. The next prime is 68943239. The reversal of 68943225 is 52234986.

It is a happy number.

It is not a de Polignac number, because 68943225 - 2¹ = 68943223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (68943223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29085 + ... + 31365.

Almost surely, 2^68943225 is an apocalyptic number.

68943225 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

68943225 is a deficient number, since it is larger than the sum of its proper divisors (57826439).

68943225 is a wasteful number, since it uses less digits than its factorization.

68943225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2338 (or 2333 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 68943225 is about 8303.2057062318. The cubic root of 68943225 is about 410.0440662531.

The spelling of 68943225 in words is "sixty-eight million, nine hundred forty-three thousand, two hundred twenty-five".