67424642475 has 48 divisors (see below), whose sum is σ = 115028575200. Its totient is φ = 34826444800.

The previous prime is 67424642399. The next prime is 67424642491. The reversal of 67424642475 is 57424642476.

It is not a de Polignac number, because 67424642475 - 2¹¹ = 67424640427 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 341251 + ... + 501299.

It is an arithmetic number, because the mean of its divisors is an integer number (2396428650).

Almost surely, 2^67424642475 is an apocalyptic number.

67424642475 is a deficient number, since it is larger than the sum of its proper divisors (47603932725).

67424642475 is a wasteful number, since it uses less digits than its factorization.

67424642475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160240 (or 160235 counting only the distinct ones).

The product of its digits is 9031680, while the sum is 51.

Subtracting from 67424642475 its reverse (57424642476), we obtain a palindrome (9999999999).

The spelling of 67424642475 in words is "sixty-seven billion, four hundred twenty-four million, six hundred forty-two thousand, four hundred seventy-five".