67477340768 has 24 divisors (see below), whose sum is σ = 132885916632. Its totient is φ = 33728536576.

The previous prime is 67477340767. The next prime is 67477340839. The reversal of 67477340768 is 86704377476.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67477340767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207905 + ... + 422112.

It is an arithmetic number, because the mean of its divisors is an integer number (5536913193).

Almost surely, 2^67477340768 is an apocalyptic number.

It is an amenable number.

67477340768 is a deficient number, since it is larger than the sum of its proper divisors (65408575864).

67477340768 is a wasteful number, since it uses less digits than its factorization.

67477340768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633374 (or 633366 counting only the distinct ones).

The product of its (nonzero) digits is 33191424, while the sum is 59.

The spelling of 67477340768 in words is "sixty-seven billion, four hundred seventy-seven million, three hundred forty thousand, seven hundred sixty-eight".