67474709684 has 12 divisors (see below), whose sum is σ = 118082741700. Its totient is φ = 33736783488.

The previous prime is 67474709681. The next prime is 67474709719. The reversal of 67474709684 is 48690747476.

It can be written as a sum of positive squares in 2 ways, for example, as 19259333284 + 48215376400 = 138778^2 + 219580^2 .

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232412 + ... + 434700.

It is an arithmetic number, because the mean of its divisors is an integer number (9840228475).

Almost surely, 2^67474709684 is an apocalyptic number.

It is an amenable number.

67474709684 is a deficient number, since it is larger than the sum of its proper divisors (50608032016).

67474709684 is a wasteful number, since it uses less digits than its factorization.

67474709684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285682 (or 285680 counting only the distinct ones).

The product of its (nonzero) digits is 56899584, while the sum is 62.

The spelling of 67474709684 in words is "sixty-seven billion, four hundred seventy-four million, seven hundred nine thousand, six hundred eighty-four".