68896512 has 108 divisors (see below), whose sum is σ = 210450240. Its totient is φ = 21602304.

The previous prime is 68896447. The next prime is 68896517. The reversal of 68896512 is 21569886.

It is a super-2 number, since 2×68896512² = 9493458731532288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68896517) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38289 + ... + 40047.

Almost surely, 2^68896512 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 68896512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105225120).

68896512 is an abundant number, since it is smaller than the sum of its proper divisors (141553728).

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

68896512 is a wasteful number, since it uses less digits than its factorization.

68896512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1798 (or 1781 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 68896512 is about 8300.3922798865. The cubic root of 68896512 is about 409.9514358501.

The spelling of 68896512 in words is "sixty-eight million, eight hundred ninety-six thousand, five hundred twelve".