68888970 has 48 divisors (see below), whose sum is σ = 180509472. Its totient is φ = 18227040.

The previous prime is 68888951. The next prime is 68888977. The reversal of 68888970 is 7988886.

It is not an unprimeable number, because it can be changed into a prime (68888977) 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 23 ways as a sum of consecutive naturals, for example, 8869 + ... + 14711.

It is an arithmetic number, because the mean of its divisors is an integer number (3760614).

Almost surely, 2^68888970 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68888970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90254736).

68888970 is an abundant number, since it is smaller than the sum of its proper divisors (111620502).

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

68888970 is a wasteful number, since it uses less digits than its factorization.

68888970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5987 (or 5984 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 54.

The square root of 68888970 is about 8299.9379515753. The cubic root of 68888970 is about 409.9364763770.

The spelling of 68888970 in words is "sixty-eight million, eight hundred eighty-eight thousand, nine hundred seventy".