67440670711 has 8 divisors (see below), whose sum is σ = 67943215440. Its totient is φ = 66939704832.

The previous prime is 67440670667. The next prime is 67440670721. The reversal of 67440670711 is 11707604476.

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 67440670711 - 2³⁵ = 33080932343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67440670721) 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, 308896 + ... + 479893.

It is an arithmetic number, because the mean of its divisors is an integer number (8492901930).

Almost surely, 2^67440670711 is an apocalyptic number.

67440670711 is a deficient number, since it is larger than the sum of its proper divisors (502544729).

67440670711 is a wasteful number, since it uses less digits than its factorization.

67440670711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789425.

The product of its (nonzero) digits is 197568, while the sum is 43.

The spelling of 67440670711 in words is "sixty-seven billion, four hundred forty million, six hundred seventy thousand, seven hundred eleven".