70825686068 has 6 divisors (see below), whose sum is σ = 123944950626. Its totient is φ = 35412843032.

The previous prime is 70825686049. The next prime is 70825686083. The reversal of 70825686068 is 86068652807.

It can be written as a sum of positive squares in only one way, i.e., 54222848164 + 16602837904 = 232858^2 + 128852^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8853210755 + ... + 8853210762.

It is an arithmetic number, because the mean of its divisors is an integer number (20657491771).

Almost surely, 2^70825686068 is an apocalyptic number.

It is an amenable number.

70825686068 is a deficient number, since it is larger than the sum of its proper divisors (53119264558).

70825686068 is a wasteful number, since it uses less digits than its factorization.

70825686068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17706421521 (or 17706421519 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 56.

The spelling of 70825686068 in words is "seventy billion, eight hundred twenty-five million, six hundred eighty-six thousand, sixty-eight".