67986432 has 88 divisors (see below), whose sum is σ = 201424800. Its totient is φ = 22652928.

The previous prime is 67986419. The next prime is 67986437. The reversal of 67986432 is 23468976.

It is not an unprimeable number, because it can be changed into a prime (67986437) 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, 26419 + ... + 28877.

Almost surely, 2^67986432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67986432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100712400).

67986432 is an abundant number, since it is smaller than the sum of its proper divisors (133438368).

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

67986432 is a wasteful number, since it uses less digits than its factorization.

67986432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2488 (or 2464 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 67986432 is about 8245.3885293538. The cubic root of 67986432 is about 408.1383613779.

The spelling of 67986432 in words is "sixty-seven million, nine hundred eighty-six thousand, four hundred thirty-two".