67326816 has 48 divisors (see below), whose sum is σ = 177167088. Its totient is φ = 22387200.

The previous prime is 67326811. The next prime is 67326821. The reversal of 67326816 is 61862376.

It is an interprime number because it is at equal distance from previous prime (67326811) and next prime (67326821).

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67326811) 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, 62926 + ... + 63986.

It is an arithmetic number, because the mean of its divisors is an integer number (3690981).

Almost surely, 2^67326816 is an apocalyptic number.

It is an amenable number.

67326816 is an abundant number, since it is smaller than the sum of its proper divisors (109840272).

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

67326816 is a wasteful number, since it uses less digits than its factorization.

67326816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1735 (or 1727 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 67326816 is about 8205.2919509302. The cubic root of 67326816 is about 406.8141267021.

The spelling of 67326816 in words is "sixty-seven million, three hundred twenty-six thousand, eight hundred sixteen".