68740334906 has 16 divisors (see below), whose sum is σ = 103825768128. Its totient is φ = 34131888000.

The previous prime is 68740334863. The next prime is 68740334941. The reversal of 68740334906 is 60943304786.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 981161 + ... + 1048883.

It is an arithmetic number, because the mean of its divisors is an integer number (6489110508).

Almost surely, 2^68740334906 is an apocalyptic number.

68740334906 is a deficient number, since it is larger than the sum of its proper divisors (35085433222).

68740334906 is a wasteful number, since it uses less digits than its factorization.

68740334906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71237.

The product of its (nonzero) digits is 2612736, while the sum is 50.

The spelling of 68740334906 in words is "sixty-eight billion, seven hundred forty million, three hundred thirty-four thousand, nine hundred six".