68460437740 has 12 divisors (see below), whose sum is σ = 143766919296. Its totient is φ = 27384175088.

The previous prime is 68460437723. The next prime is 68460437753. The reversal of 68460437740 is 4773406486.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1711510924 + ... + 1711510963.

It is an arithmetic number, because the mean of its divisors is an integer number (11980576608).

Almost surely, 2^68460437740 is an apocalyptic number.

It is an amenable number.

68460437740 is an abundant number, since it is smaller than the sum of its proper divisors (75306481556).

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

68460437740 is a wasteful number, since it uses less digits than its factorization.

68460437740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3423021896 (or 3423021894 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 49.

The spelling of 68460437740 in words is "sixty-eight billion, four hundred sixty million, four hundred thirty-seven thousand, seven hundred forty".