67481340008 has 8 divisors (see below), whose sum is σ = 126527512530. Its totient is φ = 33740670000.

The previous prime is 67481340007. The next prime is 67481340029. The reversal of 67481340008 is 80004318476.

67481340008 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 67403582884 + 77757124 = 259622^2 + 8818^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (67481340001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4217583743 + ... + 4217583758.

Almost surely, 2^67481340008 is an apocalyptic number.

It is an amenable number.

67481340008 is a deficient number, since it is larger than the sum of its proper divisors (59046172522).

67481340008 is a wasteful number, since it uses less digits than its factorization.

67481340008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8435167507 (or 8435167503 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The spelling of 67481340008 in words is "sixty-seven billion, four hundred eighty-one million, three hundred forty thousand, eight".