67434843475 has 12 divisors (see below), whose sum is σ = 83623632120. Its totient is φ = 53945019200.

The previous prime is 67434843433. The next prime is 67434843481. The reversal of 67434843475 is 57434843476.

It is not a de Polignac number, because 67434843475 - 2¹⁹ = 67434319187 is a prime.

It is a super-2 number, since 2×67434843475² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 500040 + ... + 620410.

It is an arithmetic number, because the mean of its divisors is an integer number (6968636010).

Almost surely, 2^67434843475 is an apocalyptic number.

67434843475 is a deficient number, since it is larger than the sum of its proper divisors (16188788645).

67434843475 is a wasteful number, since it uses less digits than its factorization.

67434843475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142790 (or 142785 counting only the distinct ones).

The product of its digits is 27095040, while the sum is 55.

Subtracting from 67434843475 its reverse (57434843476), we obtain a palindrome (9999999999).

The spelling of 67434843475 in words is "sixty-seven billion, four hundred thirty-four million, eight hundred forty-three thousand, four hundred seventy-five".