67404036667 has 8 divisors (see below), whose sum is σ = 73715051952. Its totient is φ = 61123584000.

The previous prime is 67404036631. The next prime is 67404036671. The reversal of 67404036667 is 76663040476.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 67404036667 - 2¹¹ = 67404034619 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 67404036667.

It is not an unprimeable number, because it can be changed into a prime (67404036767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7636038 + ... + 7644859.

It is an arithmetic number, because the mean of its divisors is an integer number (9214381494).

Almost surely, 2^67404036667 is an apocalyptic number.

67404036667 is a deficient number, since it is larger than the sum of its proper divisors (6311015285).

67404036667 is a wasteful number, since it uses less digits than its factorization.

67404036667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15281309.

The product of its (nonzero) digits is 3048192, while the sum is 49.

The spelling of 67404036667 in words is "sixty-seven billion, four hundred four million, thirty-six thousand, six hundred sixty-seven".