70707124836 has 18 divisors (see below), whose sum is σ = 178731898982. Its totient is φ = 23569041600.

The previous prime is 70707124811. The next prime is 70707124867. The reversal of 70707124836 is 63842170707.

It can be written as a sum of positive squares in only one way, i.e., 61929308736 + 8777816100 = 248856^2 + 93690^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 70707124791 and 70707124800.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 982043365 + ... + 982043436.

Almost surely, 2^70707124836 is an apocalyptic number.

It is an amenable number.

70707124836 is an abundant number, since it is smaller than the sum of its proper divisors (108024774146).

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

70707124836 is a wasteful number, since it uses less digits than its factorization.

70707124836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1964086811 (or 1964086806 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 45.

The spelling of 70707124836 in words is "seventy billion, seven hundred seven million, one hundred twenty-four thousand, eight hundred thirty-six".