68769428 has 24 divisors (see below), whose sum is σ = 148119552. Its totient is φ = 27205344.

The previous prime is 68769391. The next prime is 68769443. The reversal of 68769428 is 82496786.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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, 94100 + ... + 94827.

It is an arithmetic number, because the mean of its divisors is an integer number (6171648).

Almost surely, 2^68769428 is an apocalyptic number.

It is an amenable number.

68769428 is an abundant number, since it is smaller than the sum of its proper divisors (79350124).

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

68769428 is a wasteful number, since it uses less digits than its factorization.

68769428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188951 (or 188949 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 50.

The square root of 68769428 is about 8292.7334456137. The cubic root of 68769428 is about 409.6992202082.

The spelling of 68769428 in words is "sixty-eight million, seven hundred sixty-nine thousand, four hundred twenty-eight".