68767428 has 12 divisors (see below), whose sum is σ = 160457360. Its totient is φ = 22922472.

The previous prime is 68767421. The next prime is 68767453. The reversal of 68767428 is 82476786.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (68767421) 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 3 ways as a sum of consecutive naturals, for example, 2865298 + ... + 2865321.

Almost surely, 2^68767428 is an apocalyptic number.

It is an amenable number.

68767428 is an abundant number, since it is smaller than the sum of its proper divisors (91689932).

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

68767428 is a wasteful number, since it uses less digits than its factorization.

68767428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5730626 (or 5730624 counting only the distinct ones).

The product of its digits is 903168, while the sum is 48.

The square root of 68767428 is about 8292.6128572363. The cubic root of 68767428 is about 409.6952484511.

The spelling of 68767428 in words is "sixty-eight million, seven hundred sixty-seven thousand, four hundred twenty-eight".