68221674 has 24 divisors (see below), whose sum is σ = 148385952. Its totient is φ = 22652520.

The previous prime is 68221651. The next prime is 68221679. The reversal of 68221674 is 47612286.

It is not an unprimeable number, because it can be changed into a prime (68221679) 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 in 11 ways as a sum of consecutive naturals, for example, 2472 + ... + 11939.

It is an arithmetic number, because the mean of its divisors is an integer number (6182748).

Almost surely, 2^68221674 is an apocalyptic number.

68221674 is an abundant number, since it is smaller than the sum of its proper divisors (80164278).

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

68221674 is a wasteful number, since it uses less digits than its factorization.

68221674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14682 (or 14679 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 68221674 is about 8259.6412755034. The cubic root of 68221674 is about 408.6085569583.

The spelling of 68221674 in words is "sixty-eight million, two hundred twenty-one thousand, six hundred seventy-four".