68365428 has 24 divisors (see below), whose sum is σ = 159700800. Its totient is φ = 22762560.

The previous prime is 68365421. The next prime is 68365433. The reversal of 68365428 is 82456386.

It is a self number, because there is not a number n which added to its sum of digits gives 68365428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68365421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9873 + ... + 15303.

It is an arithmetic number, because the mean of its divisors is an integer number (6654200).

Almost surely, 2^68365428 is an apocalyptic number.

It is an amenable number.

68365428 is an abundant number, since it is smaller than the sum of its proper divisors (91335372).

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

68365428 is a wasteful number, since it uses less digits than its factorization.

68365428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6487 (or 6485 counting only the distinct ones).

The product of its digits is 276480, while the sum is 42.

The square root of 68365428 is about 8268.3388900069. The cubic root of 68365428 is about 408.8953568452.

The spelling of 68365428 in words is "sixty-eight million, three hundred sixty-five thousand, four hundred twenty-eight".