68428850 has 24 divisors (see below), whose sum is σ = 145460928. Its totient is φ = 23461200.

The previous prime is 68428837. The next prime is 68428853. The reversal of 68428850 is 5882486.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 68428798 and 68428807.

It is not an unprimeable number, because it can be changed into a prime (68428853) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97406 + ... + 98105.

It is an arithmetic number, because the mean of its divisors is an integer number (6060872).

Almost surely, 2^68428850 is an apocalyptic number.

68428850 is an abundant number, since it is smaller than the sum of its proper divisors (77032078).

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

68428850 is a wasteful number, since it uses less digits than its factorization.

68428850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195530 (or 195525 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 41.

The square root of 68428850 is about 8272.1732331957. The cubic root of 68428850 is about 409.0217606283.

The spelling of 68428850 in words is "sixty-eight million, four hundred twenty-eight thousand, eight hundred fifty".