67712506244 has 6 divisors (see below), whose sum is σ = 118496885934. Its totient is φ = 33856253120.

The previous prime is 67712506157. The next prime is 67712506283. The reversal of 67712506244 is 44260521776.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 52974546244 + 14737960000 = 230162^2 + 121400^2 .

It is a junction number, because it is equal to n+sod(n) for n = 67712506195 and 67712506204.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8464063277 + ... + 8464063284.

It is an arithmetic number, because the mean of its divisors is an integer number (19749480989).

Almost surely, 2^67712506244 is an apocalyptic number.

It is an amenable number.

67712506244 is a deficient number, since it is larger than the sum of its proper divisors (50784379690).

67712506244 is a wasteful number, since it uses less digits than its factorization.

67712506244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16928126565 (or 16928126563 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 44.

The spelling of 67712506244 in words is "sixty-seven billion, seven hundred twelve million, five hundred six thousand, two hundred forty-four".