68221076 has 24 divisors (see below), whose sum is σ = 148846656. Its totient is φ = 26579520.

The previous prime is 68221037. The next prime is 68221093. The reversal of 68221076 is 67012286.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110441 + ... + 111056.

It is an arithmetic number, because the mean of its divisors is an integer number (6201944).

Almost surely, 2^68221076 is an apocalyptic number.

It is an amenable number.

68221076 is an abundant number, since it is smaller than the sum of its proper divisors (80625580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68221076 is a wasteful number, since it uses less digits than its factorization.

68221076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221519 (or 221517 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 68221076 is about 8259.6050753048. The cubic root of 68221076 is about 408.6073630629.

It can be divided in two parts, 682210 and 76, that added together give a palindrome (682286).

The spelling of 68221076 in words is "sixty-eight million, two hundred twenty-one thousand, seventy-six".