70061005020520 has 32 divisors (see below), whose sum is σ = 157637555994600. Its totient is φ = 28024349617408.

The previous prime is 70061005020467. The next prime is 70061005020631. The reversal of 70061005020520 is 2502050016007.

It can be written as a sum of positive squares in 4 ways, for example, as 50797350455076 + 19263654565444 = 7127226^2 + 4389038^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25635366 + ... + 28236394.

Almost surely, 2^{70061005020520} is an apocalyptic number.

It is an amenable number.

70061005020520 is an abundant number, since it is smaller than the sum of its proper divisors (87576550974080).

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

70061005020520 is a wasteful number, since it uses less digits than its factorization.

70061005020520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3274437 (or 3274433 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

Adding to 70061005020520 its reverse (2502050016007), we get a palindrome (72563055036527).

The spelling of 70061005020520 in words is "seventy trillion, sixty-one billion, five million, twenty thousand, five hundred twenty".