7068704778 has 48 divisors (see below), whose sum is σ = 15669853056. Its totient is φ = 2301906240.

The previous prime is 7068704719. The next prime is 7068704813. The reversal of 7068704778 is 8774078607.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 475750 + ... + 490382.

It is an arithmetic number, because the mean of its divisors is an integer number (326455272).

Almost surely, 2^7068704778 is an apocalyptic number.

7068704778 is an abundant number, since it is smaller than the sum of its proper divisors (8601148278).

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

7068704778 is a wasteful number, since it uses less digits than its factorization.

7068704778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15259 (or 15256 counting only the distinct ones).

The product of its (nonzero) digits is 3687936, while the sum is 54.

The square root of 7068704778 is about 84075.5896678697. The cubic root of 7068704778 is about 1919.1692711532.

The spelling of 7068704778 in words is "seven billion, sixty-eight million, seven hundred four thousand, seven hundred seventy-eight".