67146864 has 40 divisors (see below), whose sum is σ = 176060160. Its totient is φ = 22047168.

The previous prime is 67146857. The next prime is 67146881. The reversal of 67146864 is 46864176.

It is a congruent number.

It is an unprimeable number.

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, 7224 + ... + 13655.

It is an arithmetic number, because the mean of its divisors is an integer number (4401504).

Almost surely, 2^67146864 is an apocalyptic number.

It is an amenable number.

67146864 is an abundant number, since it is smaller than the sum of its proper divisors (108913296).

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

67146864 is a wasteful number, since it uses less digits than its factorization.

67146864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20957 (or 20951 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The square root of 67146864 is about 8194.3190077028. The cubic root of 67146864 is about 406.4513572540.

The spelling of 67146864 in words is "sixty-seven million, one hundred forty-six thousand, eight hundred sixty-four".