68284836 has 24 divisors (see below), whose sum is σ = 177035040. Its totient is φ = 22761576.

The previous prime is 68284831. The next prime is 68284837. The reversal of 68284836 is 63848286.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 68284791 and 68284800.

It is not an unprimeable number, because it can be changed into a prime (68284831) 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, 316026 + ... + 316241.

It is an arithmetic number, because the mean of its divisors is an integer number (7376460).

Almost surely, 2^68284836 is an apocalyptic number.

It is an amenable number.

68284836 is an abundant number, since it is smaller than the sum of its proper divisors (108750204).

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

68284836 is a wasteful number, since it uses less digits than its factorization.

68284836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632280 (or 632272 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The square root of 68284836 is about 8263.4639225932. The cubic root of 68284836 is about 408.7346194027.

It can be divided in two parts, 6828 and 4836, that added together give a square (11664 = 108²).

The spelling of 68284836 in words is "sixty-eight million, two hundred eighty-four thousand, eight hundred thirty-six".