70243627520 has 80 divisors (see below), whose sum is σ = 183731061888. Its totient is φ = 25543127040.

The previous prime is 70243627501. The next prime is 70243627523. The reversal of 70243627520 is 2572634207.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (70243627523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1219064 + ... + 1275383.

Almost surely, 2^70243627520 is an apocalyptic number.

It is an amenable number.

70243627520 is an abundant number, since it is smaller than the sum of its proper divisors (113487434368).

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

70243627520 is a wasteful number, since it uses less digits than its factorization.

70243627520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2494481 (or 2494465 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 38.

The spelling of 70243627520 in words is "seventy billion, two hundred forty-three million, six hundred twenty-seven thousand, five hundred twenty".