70808771072 has 40 divisors (see below), whose sum is σ = 152362276836. Its totient is φ = 32680968192.

The previous prime is 70808771071. The next prime is 70808771087. The reversal of 70808771072 is 27017780807.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 70619873536 + 188897536 = 265744^2 + 13744^2 .

It is not an unprimeable number, because it can be changed into a prime (70808771071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5312513 + ... + 5325824.

Almost surely, 2^70808771072 is an apocalyptic number.

It is an amenable number.

70808771072 is an abundant number, since it is smaller than the sum of its proper divisors (81553505764).

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

70808771072 is a wasteful number, since it uses less digits than its factorization.

70808771072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10638368 (or 10638352 counting only the distinct ones).

The product of its (nonzero) digits is 307328, while the sum is 47.

The spelling of 70808771072 in words is "seventy billion, eight hundred eight million, seven hundred seventy-one thousand, seventy-two".