67869216 has 144 divisors (see below), whose sum is σ = 207043200. Its totient is φ = 21026304.

The previous prime is 67869209. The next prime is 67869223. The reversal of 67869216 is 61296876.

It is an interprime number because it is at equal distance from previous prime (67869209) and next prime (67869223).

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 432210 + ... + 432366.

It is an arithmetic number, because the mean of its divisors is an integer number (1437800).

Almost surely, 2^67869216 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 67869216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103521600).

67869216 is an abundant number, since it is smaller than the sum of its proper divisors (139173984).

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

67869216 is a wasteful number, since it uses less digits than its factorization.

67869216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271 (or 260 counting only the distinct ones).

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

The square root of 67869216 is about 8238.2774898640. The cubic root of 67869216 is about 407.9036681452.

The spelling of 67869216 in words is "sixty-seven million, eight hundred sixty-nine thousand, two hundred sixteen".