67406670417 has 4 divisors (see below), whose sum is σ = 89875560560. Its totient is φ = 44937780276.

The previous prime is 67406670407. The next prime is 67406670421. The reversal of 67406670417 is 71407660476.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 67406670417 - 2⁸ = 67406670161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67406670407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11234445067 + ... + 11234445072.

It is an arithmetic number, because the mean of its divisors is an integer number (22468890140).

Almost surely, 2^67406670417 is an apocalyptic number.

It is an amenable number.

67406670417 is a deficient number, since it is larger than the sum of its proper divisors (22468890143).

67406670417 is a wasteful number, since it uses less digits than its factorization.

67406670417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22468890142.

The product of its (nonzero) digits is 1185408, while the sum is 48.

The spelling of 67406670417 in words is "sixty-seven billion, four hundred six million, six hundred seventy thousand, four hundred seventeen".