67243712 has 28 divisors (see below), whose sum is σ = 137745216. Its totient is φ = 32536320.

The previous prime is 67243711. The next prime is 67243727. The reversal of 67243712 is 21734276.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (67243711) 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 3 ways as a sum of consecutive naturals, for example, 14963 + ... + 18930.

It is an arithmetic number, because the mean of its divisors is an integer number (4919472).

Almost surely, 2^67243712 is an apocalyptic number.

67243712 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

67243712 is an abundant number, since it is smaller than the sum of its proper divisors (70501504).

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

67243712 is a wasteful number, since it uses less digits than its factorization.

67243712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33936 (or 33926 counting only the distinct ones).

The product of its digits is 14112, while the sum is 32.

The square root of 67243712 is about 8200.2263383397. The cubic root of 67243712 is about 406.6466758366.

Adding to 67243712 its reverse (21734276), we get a palindrome (88977988).

The spelling of 67243712 in words is "sixty-seven million, two hundred forty-three thousand, seven hundred twelve".