67505319252 has 36 divisors (see below), whose sum is σ = 195015367456. Its totient is φ = 19287234000.

The previous prime is 67505319223. The next prime is 67505319289. The reversal of 67505319252 is 25291350576.

67505319252 is a `hidden beast` number, since 6 + 7 + 505 + 3 + 1 + 92 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 67505319198 and 67505319207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133938874 + ... + 133939377.

Almost surely, 2^67505319252 is an apocalyptic number.

It is an amenable number.

67505319252 is an abundant number, since it is smaller than the sum of its proper divisors (127510048204).

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

67505319252 is a wasteful number, since it uses less digits than its factorization.

67505319252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267878268 (or 267878263 counting only the distinct ones).

The product of its (nonzero) digits is 567000, while the sum is 45.

The spelling of 67505319252 in words is "sixty-seven billion, five hundred five million, three hundred nineteen thousand, two hundred fifty-two".