68147534732 has 12 divisors (see below), whose sum is σ = 123105224256. Its totient is φ = 32974613520.

The previous prime is 68147534723. The next prime is 68147534771. The reversal of 68147534732 is 23743574186.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274788323 + ... + 274788570.

It is an arithmetic number, because the mean of its divisors is an integer number (10258768688).

Almost surely, 2^68147534732 is an apocalyptic number.

68147534732 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

68147534732 is a deficient number, since it is larger than the sum of its proper divisors (54957689524).

68147534732 is a wasteful number, since it uses less digits than its factorization.

68147534732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549576928 (or 549576926 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 50.

The spelling of 68147534732 in words is "sixty-eight billion, one hundred forty-seven million, five hundred thirty-four thousand, seven hundred thirty-two".