67734831377 has 4 divisors (see below), whose sum is σ = 67744979520. Its totient is φ = 67724683236.

The previous prime is 67734831361. The next prime is 67734831397. The reversal of 67734831377 is 77313843776.

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 67734831377 - 2⁴ = 67734831361 is a prime.

It is a super-2 number, since 2×67734831377² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67734831397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5064053 + ... + 5077410.

It is an arithmetic number, because the mean of its divisors is an integer number (16936244880).

Almost surely, 2^67734831377 is an apocalyptic number.

It is an amenable number.

67734831377 is a deficient number, since it is larger than the sum of its proper divisors (10148143).

67734831377 is a wasteful number, since it uses less digits than its factorization.

67734831377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10148142.

The product of its digits is 12446784, while the sum is 56.

The spelling of 67734831377 in words is "sixty-seven billion, seven hundred thirty-four million, eight hundred thirty-one thousand, three hundred seventy-seven".