67216896 has 120 divisors (see below), whose sum is σ = 201080880. Its totient is φ = 21590016.

The previous prime is 67216859. The next prime is 67216967. The reversal of 67216896 is 69861276.

It is a super-2 number, since 2×67216896² = 9036222215749632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133381 + ... + 133883.

It is an arithmetic number, because the mean of its divisors is an integer number (1675674).

Almost surely, 2^67216896 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 67216896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100540440).

67216896 is an abundant number, since it is smaller than the sum of its proper divisors (133863984).

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

67216896 is a wasteful number, since it uses less digits than its factorization.

67216896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556 (or 537 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 67216896 is about 8198.5910984754. The cubic root of 67216896 is about 406.5926133485.

The spelling of 67216896 in words is "sixty-seven million, two hundred sixteen thousand, eight hundred ninety-six".