67718502342 has 24 divisors (see below), whose sum is σ = 146765999016. Its totient is φ = 22566283776.

The previous prime is 67718502329. The next prime is 67718502343. The reversal of 67718502342 is 24320581776.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67718502343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 481908 + ... + 606359.

It is an arithmetic number, because the mean of its divisors is an integer number (6115249959).

Almost surely, 2^67718502342 is an apocalyptic number.

67718502342 is an abundant number, since it is smaller than the sum of its proper divisors (79047496674).

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

67718502342 is a wasteful number, since it uses less digits than its factorization.

67718502342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091732 (or 1091729 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The spelling of 67718502342 in words is "sixty-seven billion, seven hundred eighteen million, five hundred two thousand, three hundred forty-two".