70740784868 has 12 divisors (see below), whose sum is σ = 133319171580. Its totient is φ = 32649592992.

The previous prime is 70740784859. The next prime is 70740784871. The reversal of 70740784868 is 86848704707.

It can be written as a sum of positive squares in 2 ways, for example, as 5098245604 + 65642539264 = 71402^2 + 256208^2 .

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 3 ways as a sum of consecutive naturals, for example, 680199803 + ... + 680199906.

It is an arithmetic number, because the mean of its divisors is an integer number (11109930965).

Almost surely, 2^70740784868 is an apocalyptic number.

It is an amenable number.

70740784868 is a deficient number, since it is larger than the sum of its proper divisors (62578386712).

70740784868 is a wasteful number, since it uses less digits than its factorization.

70740784868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360399726 (or 1360399724 counting only the distinct ones).

The product of its (nonzero) digits is 16859136, while the sum is 59.

The spelling of 70740784868 in words is "seventy billion, seven hundred forty million, seven hundred eighty-four thousand, eight hundred sixty-eight".