67834512340 has 24 divisors (see below), whose sum is σ = 162802829952. Its totient is φ = 23257547040.

The previous prime is 67834512337. The next prime is 67834512349. The reversal of 67834512340 is 4321543876.

It is a super-3 number, since 3×67834512340³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67834512349) 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 7 ways as a sum of consecutive naturals, for example, 242265976 + ... + 242266255.

It is an arithmetic number, because the mean of its divisors is an integer number (6783451248).

Almost surely, 2^67834512340 is an apocalyptic number.

It is an amenable number.

67834512340 is an abundant number, since it is smaller than the sum of its proper divisors (94968317612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67834512340 is a wasteful number, since it uses less digits than its factorization.

67834512340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484532247 (or 484532245 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 67834512340 in words is "sixty-seven billion, eight hundred thirty-four million, five hundred twelve thousand, three hundred forty".