68704076940 has 96 divisors (see below), whose sum is σ = 203276666880. Its totient is φ = 17302661376.

The previous prime is 68704076927. The next prime is 68704076951. The reversal of 68704076940 is 4967040786.

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 31 ways as a sum of consecutive naturals, for example, 206079 + ... + 424118.

It is an arithmetic number, because the mean of its divisors is an integer number (2117465280).

Almost surely, 2^68704076940 is an apocalyptic number.

68704076940 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68704076940 is an abundant number, since it is smaller than the sum of its proper divisors (134572589940).

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

68704076940 is a wasteful number, since it uses less digits than its factorization.

68704076940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630311 (or 630309 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 51.

The spelling of 68704076940 in words is "sixty-eight billion, seven hundred four million, seventy-six thousand, nine hundred forty".