67406673703667 has 16 divisors (see below), whose sum is σ = 69461598789120. Its totient is φ = 65364313402368.

The previous prime is 67406673703613. The next prime is 67406673703693. The reversal of 67406673703667 is 76630737660476.

It is a cyclic number.

It is not a de Polignac number, because 67406673703667 - 2³⁴ = 67389493834483 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 67406673703597 and 67406673703606.

It is not an unprimeable number, because it can be changed into a prime (67406673753667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14400683 + ... + 18498459.

It is an arithmetic number, because the mean of its divisors is an integer number (4341349924320).

Almost surely, 2^{67406673703667} is an apocalyptic number.

67406673703667 is a deficient number, since it is larger than the sum of its proper divisors (2054925085453).

67406673703667 is a wasteful number, since it uses less digits than its factorization.

67406673703667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4099310.

The product of its (nonzero) digits is 672126336, while the sum is 68.

The spelling of 67406673703667 in words is "sixty-seven trillion, four hundred six billion, six hundred seventy-three million, seven hundred three thousand, six hundred sixty-seven".