67075317955 has 4 divisors (see below), whose sum is σ = 80490381552. Its totient is φ = 53660254360.

The previous prime is 67075317949. The next prime is 67075317977. The reversal of 67075317955 is 55971357076.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 67075317955 - 2⁹ = 67075317443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 67075317896 and 67075317905.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6707531791 + ... + 6707531800.

It is an arithmetic number, because the mean of its divisors is an integer number (20122595388).

Almost surely, 2^67075317955 is an apocalyptic number.

67075317955 is a deficient number, since it is larger than the sum of its proper divisors (13415063597).

67075317955 is a wasteful number, since it uses less digits than its factorization.

67075317955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13415063596.

The product of its (nonzero) digits is 6945750, while the sum is 55.

The spelling of 67075317955 in words is "sixty-seven billion, seventy-five million, three hundred seventeen thousand, nine hundred fifty-five".