68889076 has 6 divisors (see below), whose sum is σ = 120555890. Its totient is φ = 34444536.

The previous prime is 68889059. The next prime is 68889077. The reversal of 68889076 is 67098886.

It can be written as a sum of positive squares in only one way, i.e., 68492176 + 396900 = 8276^2 + 630^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68889077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8611131 + ... + 8611138.

Almost surely, 2^68889076 is an apocalyptic number.

It is an amenable number.

68889076 is a deficient number, since it is larger than the sum of its proper divisors (51666814).

68889076 is a wasteful number, since it uses less digits than its factorization.

68889076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17222273 (or 17222271 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 52.

The square root of 68889076 is about 8299.9443371627. The cubic root of 68889076 is about 409.9366866343.

The spelling of 68889076 in words is "sixty-eight million, eight hundred eighty-nine thousand, seventy-six".