67240712 has 64 divisors (see below), whose sum is σ = 166458240. Its totient is φ = 24652800.

The previous prime is 67240711. The next prime is 67240717. The reversal of 67240712 is 21704276.

It is not an unprimeable number, because it can be changed into a prime (67240711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7262 + ... + 13682.

It is an arithmetic number, because the mean of its divisors is an integer number (2600910).

Almost surely, 2^67240712 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 67240712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83229120).

67240712 is an abundant number, since it is smaller than the sum of its proper divisors (99217528).

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

67240712 is a wasteful number, since it uses less digits than its factorization.

67240712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6462 (or 6458 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 67240712 is about 8200.0434145192. The cubic root of 67240712 is about 406.6406283905.

Adding to 67240712 its reverse (21704276), we get a palindrome (88944988).

The spelling of 67240712 in words is "sixty-seven million, two hundred forty thousand, seven hundred twelve".