70243920940 has 24 divisors (see below), whose sum is σ = 147517730640. Its totient is φ = 28096521408.

The previous prime is 70243920917. The next prime is 70243920953. The reversal of 70243920940 is 4902934207.

It is a junction number, because it is equal to n+sod(n) for n = 70243920893 and 70243920902.

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 7 ways as a sum of consecutive naturals, for example, 707271 + ... + 800449.

It is an arithmetic number, because the mean of its divisors is an integer number (6146572110).

Almost surely, 2^70243920940 is an apocalyptic number.

It is an amenable number.

70243920940 is an abundant number, since it is smaller than the sum of its proper divisors (77273809700).

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

70243920940 is a wasteful number, since it uses less digits than its factorization.

70243920940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130881 (or 130879 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 40.

The spelling of 70243920940 in words is "seventy billion, two hundred forty-three million, nine hundred twenty thousand, nine hundred forty".