68020896 has 48 divisors (see below), whose sum is σ = 180835200. Its totient is φ = 22384128.

The previous prime is 68020877. The next prime is 68020903. The reversal of 68020896 is 69802086.

It is a tau number, because it is divible by the number of its divisors (48).

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, 3100 + ... + 12068.

It is an arithmetic number, because the mean of its divisors is an integer number (3767400).

Almost surely, 2^68020896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68020896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90417600).

68020896 is an abundant number, since it is smaller than the sum of its proper divisors (112814304).

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

68020896 is a wasteful number, since it uses less digits than its factorization.

68020896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9061 (or 9053 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 68020896 is about 8247.4781600196. The cubic root of 68020896 is about 408.2073148634.

The spelling of 68020896 in words is "sixty-eight million, twenty thousand, eight hundred ninety-six".