67794695712 has 120 divisors (see below), whose sum is σ = 206257797900. Its totient is φ = 21818958336.

The previous prime is 67794695707. The next prime is 67794695713. The reversal of 67794695712 is 21759649776.

It can be written as a sum of positive squares in 2 ways, for example, as 58891640976 + 8903054736 = 242676^2 + 94356^2 .

It is a super-2 number, since 2×67794695712² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 67794695712.

It is not an unprimeable number, because it can be changed into a prime (67794695713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 375787 + ... + 526122.

Almost surely, 2^67794695712 is an apocalyptic number.

It is an amenable number.

67794695712 is an abundant number, since it is smaller than the sum of its proper divisors (138463102188).

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

67794695712 is a wasteful number, since it uses less digits than its factorization.

67794695712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901960 (or 901943 counting only the distinct ones).

The product of its digits is 40007520, while the sum is 63.

The spelling of 67794695712 in words is "sixty-seven billion, seven hundred ninety-four million, six hundred ninety-five thousand, seven hundred twelve".