70163734420 has 48 divisors (see below), whose sum is σ = 159475478400. Its totient is φ = 25776406656.

The previous prime is 70163734397. The next prime is 70163734447. The reversal of 70163734420 is 2443736107.

It is a self number, because there is not a number n which added to its sum of digits gives 70163734420.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 626302 + ... + 729781.

It is an arithmetic number, because the mean of its divisors is an integer number (3322405800).

Almost surely, 2^70163734420 is an apocalyptic number.

It is an amenable number.

70163734420 is an abundant number, since it is smaller than the sum of its proper divisors (89311743980).

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

70163734420 is a wasteful number, since it uses less digits than its factorization.

70163734420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356304 (or 1356302 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 37.

The spelling of 70163734420 in words is "seventy billion, one hundred sixty-three million, seven hundred thirty-four thousand, four hundred twenty".