67134864 has 40 divisors (see below), whose sum is σ = 175231840. Its totient is φ = 22146048.

The previous prime is 67134863. The next prime is 67134869. The reversal of 67134864 is 46843176.

It is not an unprimeable number, because it can be changed into a prime (67134863) 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 7 ways as a sum of consecutive naturals, for example, 2554 + ... + 11865.

It is an arithmetic number, because the mean of its divisors is an integer number (4380796).

Almost surely, 2^67134864 is an apocalyptic number.

It is an amenable number.

67134864 is an abundant number, since it is smaller than the sum of its proper divisors (108096976).

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

67134864 is a wasteful number, since it uses less digits than its factorization.

67134864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14527 (or 14521 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The square root of 67134864 is about 8193.5867603877. The cubic root of 67134864 is about 406.4271431330.

The spelling of 67134864 in words is "sixty-seven million, one hundred thirty-four thousand, eight hundred sixty-four".