68727722 has 16 divisors (see below), whose sum is σ = 121004160. Its totient is φ = 28658448.

The previous prime is 68727707. The next prime is 68727727. The reversal of 68727722 is 22772786.

It is a self number, because there is not a number n which added to its sum of digits gives 68727722.

It is not an unprimeable number, because it can be changed into a prime (68727727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65822 + ... + 66857.

It is an arithmetic number, because the mean of its divisors is an integer number (7562760).

Almost surely, 2^68727722 is an apocalyptic number.

68727722 is a deficient number, since it is larger than the sum of its proper divisors (52276438).

68727722 is a wasteful number, since it uses less digits than its factorization.

68727722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132725.

The product of its digits is 131712, while the sum is 41.

The square root of 68727722 is about 8290.2184530928. The cubic root of 68727722 is about 409.6163812126.

The spelling of 68727722 in words is "sixty-eight million, seven hundred twenty-seven thousand, seven hundred twenty-two".