67108071 has 8 divisors (see below), whose sum is σ = 90813184. Its totient is φ = 44070840.

The previous prime is 67108049. The next prime is 67108081. The reversal of 67108071 is 17080176.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 67108071 - 2⁵ = 67108039 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67108081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166735 + ... + 167136.

It is an arithmetic number, because the mean of its divisors is an integer number (11351648).

Almost surely, 2^67108071 is an apocalyptic number.

67108071 is a deficient number, since it is larger than the sum of its proper divisors (23705113).

67108071 is a wasteful number, since it uses less digits than its factorization.

67108071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333941.

The product of its (nonzero) digits is 2352, while the sum is 30.

The square root of 67108071 is about 8191.9515989781. The cubic root of 67108071 is about 406.3730686391.

The spelling of 67108071 in words is "sixty-seven million, one hundred eight thousand, seventy-one".