68534228 has 24 divisors (see below), whose sum is σ = 138062400. Its totient is φ = 29158848.

The previous prime is 68534209. The next prime is 68534231. The reversal of 68534228 is 82243586.

It is a junction number, because it is equal to n+sod(n) for n = 68534191 and 68534200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4913 + ... + 12696.

It is an arithmetic number, because the mean of its divisors is an integer number (5752600).

Almost surely, 2^68534228 is an apocalyptic number.

It is an amenable number.

68534228 is an abundant number, since it is smaller than the sum of its proper divisors (69528172).

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

68534228 is a wasteful number, since it uses less digits than its factorization.

68534228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17759 (or 17757 counting only the distinct ones).

The product of its digits is 92160, while the sum is 38.

The square root of 68534228 is about 8278.5402094814. The cubic root of 68534228 is about 409.2316126077.

The spelling of 68534228 in words is "sixty-eight million, five hundred thirty-four thousand, two hundred twenty-eight".