68947275 has 24 divisors (see below), whose sum is σ = 116649280. Its totient is φ = 35915040.

The previous prime is 68947267. The next prime is 68947279. The reversal of 68947275 is 57274986.

It is not a de Polignac number, because 68947275 - 2³ = 68947267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68947279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7465 + ... + 13914.

Almost surely, 2^68947275 is an apocalyptic number.

68947275 is a deficient number, since it is larger than the sum of its proper divisors (47702005).

68947275 is a wasteful number, since it uses less digits than its factorization.

68947275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21435 (or 21430 counting only the distinct ones).

The product of its digits is 846720, while the sum is 48.

The square root of 68947275 is about 8303.4495843595. The cubic root of 68947275 is about 410.0520953039.

The spelling of 68947275 in words is "sixty-eight million, nine hundred forty-seven thousand, two hundred seventy-five".