67727366280756 has 144 divisors (see below), whose sum is σ = 213074861126400. Its totient is φ = 17661464004096.

The previous prime is 67727366280697. The next prime is 67727366280781. The reversal of 67727366280756 is 65708266372776.

It is a happy number.

67727366280756 is a `hidden beast` number, since 6 + 7 + 7 + 273 + 6 + 6 + 280 + 75 + 6 = 666.

67727366280756 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×67727366280756² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 115853376 + ... + 116436503.

It is an arithmetic number, because the mean of its divisors is an integer number (1479686535600).

Almost surely, 2^{67727366280756} is an apocalyptic number.

It is an amenable number.

67727366280756 is an abundant number, since it is smaller than the sum of its proper divisors (145347494845644).

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

67727366280756 is a wasteful number, since it uses less digits than its factorization.

67727366280756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232289998 (or 232289993 counting only the distinct ones).

The product of its (nonzero) digits is 1493614080, while the sum is 72.

The spelling of 67727366280756 in words is "sixty-seven trillion, seven hundred twenty-seven billion, three hundred sixty-six million, two hundred eighty thousand, seven hundred fifty-six".