67040070329 has 4 divisors (see below), whose sum is σ = 68599141776. Its totient is φ = 65480998884.

The previous prime is 67040070319. The next prime is 67040070359. The reversal of 67040070329 is 92307004076.

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 a cyclic number.

It is not a de Polignac number, because 67040070329 - 2⁸ = 67040070073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 67040070292 and 67040070301.

It is not an unprimeable number, because it can be changed into a prime (67040070319) 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, 779535659 + ... + 779535744.

It is an arithmetic number, because the mean of its divisors is an integer number (17149785444).

Almost surely, 2^67040070329 is an apocalyptic number.

It is an amenable number.

67040070329 is a deficient number, since it is larger than the sum of its proper divisors (1559071447).

67040070329 is a wasteful number, since it uses less digits than its factorization.

67040070329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559071446.

The product of its (nonzero) digits is 63504, while the sum is 38.

The spelling of 67040070329 in words is "sixty-seven billion, forty million, seventy thousand, three hundred twenty-nine".