68134733480 has 32 divisors (see below), whose sum is σ = 167239801440. Its totient is φ = 24776266560.

The previous prime is 68134733473. The next prime is 68134733509. The reversal of 68134733480 is 8433743186.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 77425394 + ... + 77426273.

It is an arithmetic number, because the mean of its divisors is an integer number (5226243795).

Almost surely, 2^68134733480 is an apocalyptic number.

It is an amenable number.

68134733480 is an abundant number, since it is smaller than the sum of its proper divisors (99105067960).

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

68134733480 is a wasteful number, since it uses less digits than its factorization.

68134733480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154851689 (or 154851685 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 47.

The spelling of 68134733480 in words is "sixty-eight billion, one hundred thirty-four million, seven hundred thirty-three thousand, four hundred eighty".