68383420 has 36 divisors (see below), whose sum is σ = 167053320. Its totient is φ = 23445408.

The previous prime is 68383361. The next prime is 68383423. The reversal of 68383420 is 2438386.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68383423) 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, 33910 + ... + 35869.

It is an arithmetic number, because the mean of its divisors is an integer number (4640370).

Almost surely, 2^68383420 is an apocalyptic number.

It is an amenable number.

68383420 is an abundant number, since it is smaller than the sum of its proper divisors (98669900).

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

68383420 is a wasteful number, since it uses less digits than its factorization.

68383420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69802 (or 69793 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 68383420 is about 8269.4268241517. The cubic root of 68383420 is about 408.9312239016.

The spelling of 68383420 in words is "sixty-eight million, three hundred eighty-three thousand, four hundred twenty".