67323984 has 80 divisors (see below), whose sum is σ = 214069632. Its totient is φ = 17754624.

The previous prime is 67323983. The next prime is 67323989. The reversal of 67323984 is 48932376.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67323983) 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 15 ways as a sum of consecutive naturals, for example, 3339 + ... + 12074.

Almost surely, 2^67323984 is an apocalyptic number.

It is an amenable number.

67323984 is an abundant number, since it is smaller than the sum of its proper divisors (146745648).

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

67323984 is a wasteful number, since it uses less digits than its factorization.

67323984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15444 (or 15438 counting only the distinct ones).

The product of its digits is 217728, while the sum is 42.

The square root of 67323984 is about 8205.1193775594. The cubic root of 67323984 is about 406.8084226165.

The spelling of 67323984 in words is "sixty-seven million, three hundred twenty-three thousand, nine hundred eighty-four".