70311995720 has 16 divisors (see below), whose sum is σ = 158201990460. Its totient is φ = 28124798272.

The previous prime is 70311995681. The next prime is 70311995779. The reversal of 70311995720 is 2759911307.

It can be written as a sum of positive squares in 2 ways, for example, as 65965758244 + 4346237476 = 256838^2 + 65926^2 .

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, 878899907 + ... + 878899986.

Almost surely, 2^70311995720 is an apocalyptic number.

It is an amenable number.

70311995720 is an abundant number, since it is smaller than the sum of its proper divisors (87889994740).

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

70311995720 is a wasteful number, since it uses less digits than its factorization.

70311995720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1757799904 (or 1757799900 counting only the distinct ones).

The product of its (nonzero) digits is 119070, while the sum is 44.

The spelling of 70311995720 in words is "seventy billion, three hundred eleven million, nine hundred ninety-five thousand, seven hundred twenty".