68734157584 has 15 divisors (see below), whose sum is σ = 133174462183. Its totient is φ = 34366554448.

The previous prime is 68734157573. The next prime is 68734157593. The reversal of 68734157584 is 48575143786.

The square root of 68734157584 is 262172.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1015917 + ... + 1081459.

Almost surely, 2^68734157584 is an apocalyptic number.

68734157584 is the 262172-nd square number.

It is an amenable number.

68734157584 is a deficient number, since it is larger than the sum of its proper divisors (64440304599).

68734157584 is an frugal number, since it uses more digits than its factorization.

68734157584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131094 (or 65545 counting only the distinct ones).

The product of its digits is 22579200, while the sum is 58.

The spelling of 68734157584 in words is "sixty-eight billion, seven hundred thirty-four million, one hundred fifty-seven thousand, five hundred eighty-four".