67406670067 has 8 divisors (see below), whose sum is σ = 73596201840. Its totient is φ = 61227413760.

The previous prime is 67406670031. The next prime is 67406670083. The reversal of 67406670067 is 76007660476.

67406670067 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 67406670067 - 2¹⁵ = 67406637299 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 67406670067.

It is not an unprimeable number, because it can be changed into a prime (67406670007) 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, 2555142 + ... + 2581387.

It is an arithmetic number, because the mean of its divisors is an integer number (9199525230).

Almost surely, 2^67406670067 is an apocalyptic number.

67406670067 is a deficient number, since it is larger than the sum of its proper divisors (6189531773).

67406670067 is a wasteful number, since it uses less digits than its factorization.

67406670067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5137733.

The product of its (nonzero) digits is 1778112, while the sum is 49.

The spelling of 67406670067 in words is "sixty-seven billion, four hundred six million, six hundred seventy thousand, sixty-seven".