68226004 has 48 divisors (see below), whose sum is σ = 155344896. Its totient is φ = 25423200.

The previous prime is 68226001. The next prime is 68226023. The reversal of 68226004 is 40062286.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68226001) 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, 2269 + ... + 11899.

It is an arithmetic number, because the mean of its divisors is an integer number (3236352).

Almost surely, 2^68226004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68226004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77672448).

68226004 is an abundant number, since it is smaller than the sum of its proper divisors (87118892).

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

68226004 is a wasteful number, since it uses less digits than its factorization.

68226004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9676 (or 9674 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 68226004 is about 8259.9033892655. The cubic root of 68226004 is about 408.6172015113.

The spelling of 68226004 in words is "sixty-eight million, two hundred twenty-six thousand, four".