68722038 has 96 divisors (see below), whose sum is σ = 187349760. Its totient is φ = 17686080.

The previous prime is 68722033. The next prime is 68722097. The reversal of 68722038 is 83022786.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 68721993 and 68722011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68722033) 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 47 ways as a sum of consecutive naturals, for example, 247956 + ... + 248232.

It is an arithmetic number, because the mean of its divisors is an integer number (1951560).

Almost surely, 2^68722038 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68722038, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93674880).

68722038 is an abundant number, since it is smaller than the sum of its proper divisors (118627722).

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

68722038 is a wasteful number, since it uses less digits than its factorization.

68722038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482 (or 479 counting only the distinct ones).

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

The square root of 68722038 is about 8289.8756323602. The cubic root of 68722038 is about 409.6050887111.

The spelling of 68722038 in words is "sixty-eight million, seven hundred twenty-two thousand, thirty-eight".