70070510721220 has 24 divisors (see below), whose sum is σ = 151125047448984. Its totient is φ = 27270685253376.

The previous prime is 70070510721199. The next prime is 70070510721293. The reversal of 70070510721220 is 2212701507007.

It can be written as a sum of positive squares in 4 ways, for example, as 4096381698304 + 65974129022916 = 2023952^2 + 8122446^2 .

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, 47344938937 + ... + 47344940416.

It is an arithmetic number, because the mean of its divisors is an integer number (6296876977041).

Almost surely, 2^{70070510721220} is an apocalyptic number.

It is an amenable number.

70070510721220 is an abundant number, since it is smaller than the sum of its proper divisors (81054536727764).

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

70070510721220 is a wasteful number, since it uses less digits than its factorization.

70070510721220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94689879399 (or 94689879397 counting only the distinct ones).

The product of its (nonzero) digits is 13720, while the sum is 34.

The spelling of 70070510721220 in words is "seventy trillion, seventy billion, five hundred ten million, seven hundred twenty-one thousand, two hundred twenty".