67403340667 has 12 divisors (see below), whose sum is σ = 75881447824. Its totient is φ = 59513311440.

The previous prime is 67403340649. The next prime is 67403340671. The reversal of 67403340667 is 76604330476.

It is not a de Polignac number, because 67403340667 - 2¹⁹ = 67402816379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67403340967) 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 11 ways as a sum of consecutive naturals, for example, 4893759 + ... + 4907512.

Almost surely, 2^67403340667 is an apocalyptic number.

67403340667 is a deficient number, since it is larger than the sum of its proper divisors (8478107157).

67403340667 is a wasteful number, since it uses less digits than its factorization.

67403340667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9801330 (or 9801307 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 46.

The spelling of 67403340667 in words is "sixty-seven billion, four hundred three million, three hundred forty thousand, six hundred sixty-seven".