67116768 has 24 divisors (see below), whose sum is σ = 176181768. Its totient is φ = 22372224.

The previous prime is 67116761. The next prime is 67116787. The reversal of 67116768 is 86761176.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67116761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349471 + ... + 349662.

It is an arithmetic number, because the mean of its divisors is an integer number (7340907).

Almost surely, 2^67116768 is an apocalyptic number.

It is an amenable number.

67116768 is an abundant number, since it is smaller than the sum of its proper divisors (109065000).

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

67116768 is a wasteful number, since it uses less digits than its factorization.

67116768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699146 (or 699138 counting only the distinct ones).

The product of its digits is 84672, while the sum is 42.

The square root of 67116768 is about 8192.4824076711. The cubic root of 67116768 is about 406.3906227815.

The spelling of 67116768 in words is "sixty-seven million, one hundred sixteen thousand, seven hundred sixty-eight".