67346666740 has 24 divisors (see below), whose sum is σ = 141711444000. Its totient is φ = 26884677408.

The previous prime is 67346666719. The next prime is 67346666749. The reversal of 67346666740 is 4766664376.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67346666749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3364102 + ... + 3384061.

It is an arithmetic number, because the mean of its divisors is an integer number (5904643500).

Almost surely, 2^67346666740 is an apocalyptic number.

It is an amenable number.

67346666740 is an abundant number, since it is smaller than the sum of its proper divisors (74364777260).

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

67346666740 is a wasteful number, since it uses less digits than its factorization.

67346666740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6748671 (or 6748669 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 55.

The spelling of 67346666740 in words is "sixty-seven billion, three hundred forty-six million, six hundred sixty-six thousand, seven hundred forty".