68722908 has 48 divisors (see below), whose sum is σ = 175279104. Its totient is φ = 20862720.

The previous prime is 68722903. The next prime is 68722909. The reversal of 68722908 is 80922786.

It is a happy number.

68722908 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

68722908 is strictly pandigital in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 68722908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68722903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 891 + ... + 11757.

It is an arithmetic number, because the mean of its divisors is an integer number (3651648).

Almost surely, 2^68722908 is an apocalyptic number.

68722908 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68722908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87639552).

68722908 is an abundant number, since it is smaller than the sum of its proper divisors (106556196).

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

68722908 is a wasteful number, since it uses less digits than its factorization.

68722908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10922 (or 10920 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 68722908 is about 8289.9281058402. The cubic root of 68722908 is about 409.6068171956.

The spelling of 68722908 in words is "sixty-eight million, seven hundred twenty-two thousand, nine hundred eight".