68896872 has 128 divisors (see below), whose sum is σ = 211507200. Its totient is φ = 20606400.

The previous prime is 68896871. The next prime is 68896897. The reversal of 68896872 is 27869886.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (68896871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 254097 + ... + 254367.

It is an arithmetic number, because the mean of its divisors is an integer number (1652400).

Almost surely, 2^68896872 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 68896872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105753600).

68896872 is an abundant number, since it is smaller than the sum of its proper divisors (142610328).

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

68896872 is a wasteful number, since it uses less digits than its factorization.

68896872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404 (or 394 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The square root of 68896872 is about 8300.4139655803. The cubic root of 68896872 is about 409.9521498788.

The spelling of 68896872 in words is "sixty-eight million, eight hundred ninety-six thousand, eight hundred seventy-two".