67797216 has 96 divisors (see below), whose sum is σ = 199584000. Its totient is φ = 22389120.

The previous prime is 67797211. The next prime is 67797221. The reversal of 67797216 is 61279776.

It is an interprime number because it is at equal distance from previous prime (67797211) and next prime (67797221).

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67797211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112885 + ... + 113483.

It is an arithmetic number, because the mean of its divisors is an integer number (2079000).

Almost surely, 2^67797216 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 67797216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99792000).

67797216 is an abundant number, since it is smaller than the sum of its proper divisors (131786784).

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

67797216 is a wasteful number, since it uses less digits than its factorization.

67797216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749 (or 735 counting only the distinct ones).

The product of its digits is 222264, while the sum is 45.

The square root of 67797216 is about 8233.9064847738. The cubic root of 67797216 is about 407.7593736846.

The spelling of 67797216 in words is "sixty-seven million, seven hundred ninety-seven thousand, two hundred sixteen".