68884956 has 72 divisors (see below), whose sum is σ = 209489280. Its totient is φ = 18644256.

The previous prime is 68884951. The next prime is 68884957. The reversal of 68884956 is 65948886.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68884951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2406 + ... + 11981.

Almost surely, 2^68884956 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 68884956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104744640).

68884956 is an abundant number, since it is smaller than the sum of its proper divisors (140604324).

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

68884956 is a wasteful number, since it uses less digits than its factorization.

68884956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14423 (or 14418 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 54.

The square root of 68884956 is about 8299.6961390162. The cubic root of 68884956 is about 409.9285142074.

The spelling of 68884956 in words is "sixty-eight million, eight hundred eighty-four thousand, nine hundred fifty-six".