67474709685 has 48 divisors (see below), whose sum is σ = 119998205184. Its totient is φ = 35055006336.

The previous prime is 67474709681. The next prime is 67474709719. The reversal of 67474709685 is 58690747476.

67474709685 is a `hidden beast` number, since 6 + 7 + 474 + 70 + 96 + 8 + 5 = 666.

It is not a de Polignac number, because 67474709685 - 2² = 67474709681 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67474709681) by changing a digit.

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, 675012 + ... + 768498.

It is an arithmetic number, because the mean of its divisors is an integer number (2499962608).

Almost surely, 2^67474709685 is an apocalyptic number.

It is an amenable number.

67474709685 is a deficient number, since it is larger than the sum of its proper divisors (52523495499).

67474709685 is a wasteful number, since it uses less digits than its factorization.

67474709685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93914 (or 93911 counting only the distinct ones).

The product of its (nonzero) digits is 71124480, while the sum is 63.

The spelling of 67474709685 in words is "sixty-seven billion, four hundred seventy-four million, seven hundred nine thousand, six hundred eighty-five".