70017706020 has 48 divisors (see below), whose sum is σ = 199372461120. Its totient is φ = 18354923136.

The previous prime is 70017706019. The next prime is 70017706027. The reversal of 70017706020 is 2060771007.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (70017706027) 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 15 ways as a sum of consecutive naturals, for example, 9885967 + ... + 9893046.

It is an arithmetic number, because the mean of its divisors is an integer number (4153592940).

Almost surely, 2^70017706020 is an apocalyptic number.

It is an amenable number.

70017706020 is an abundant number, since it is smaller than the sum of its proper divisors (129354755100).

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

70017706020 is a wasteful number, since it uses less digits than its factorization.

70017706020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19779084 (or 19779082 counting only the distinct ones).

The product of its (nonzero) digits is 4116, while the sum is 30.

The spelling of 70017706020 in words is "seventy billion, seventeen million, seven hundred six thousand, twenty".