68875522 has 8 divisors (see below), whose sum is σ = 106875900. Its totient is φ = 33250224.

The previous prime is 68875519. The next prime is 68875549. The reversal of 68875522 is 22557886.

It can be written as a sum of positive squares in 2 ways, for example, as 66438801 + 2436721 = 8151^2 + 1561^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 593697 + ... + 593812.

Almost surely, 2^68875522 is an apocalyptic number.

68875522 is a deficient number, since it is larger than the sum of its proper divisors (38000378).

68875522 is a wasteful number, since it uses less digits than its factorization.

68875522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187540.

The product of its digits is 268800, while the sum is 43.

The square root of 68875522 is about 8299.1277854965. The cubic root of 68875522 is about 409.9097997092.

The spelling of 68875522 in words is "sixty-eight million, eight hundred seventy-five thousand, five hundred twenty-two".