67628130952 has 8 divisors (see below), whose sum is σ = 126802745550. Its totient is φ = 33814065472.

The previous prime is 67628130943. The next prime is 67628130971. The reversal of 67628130952 is 25903182676.

It can be written as a sum of positive squares in only one way, i.e., 66550584676 + 1077546276 = 257974^2 + 32826^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 67628130896 and 67628130905.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4226758177 + ... + 4226758192.

Almost surely, 2^67628130952 is an apocalyptic number.

It is an amenable number.

67628130952 is a deficient number, since it is larger than the sum of its proper divisors (59174614598).

67628130952 is a wasteful number, since it uses less digits than its factorization.

67628130952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8453516375 (or 8453516371 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 67628130952 in words is "sixty-seven billion, six hundred twenty-eight million, one hundred thirty thousand, nine hundred fifty-two".