70307803305 has 32 divisors (see below), whose sum is σ = 129023646720. Its totient is φ = 36287896320.

The previous prime is 70307803273. The next prime is 70307803309. The reversal of 70307803305 is 50330870307.

It is not a de Polignac number, because 70307803305 - 2⁵ = 70307803273 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 70307803305.

It is not an unprimeable number, because it can be changed into a prime (70307803309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8395792 + ... + 8404161.

It is an arithmetic number, because the mean of its divisors is an integer number (4031988960).

Almost surely, 2^70307803305 is an apocalyptic number.

It is an amenable number.

70307803305 is a deficient number, since it is larger than the sum of its proper divisors (58715843415).

70307803305 is a wasteful number, since it uses less digits than its factorization.

70307803305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16799998 (or 16799992 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 36.

The spelling of 70307803305 in words is "seventy billion, three hundred seven million, eight hundred three thousand, three hundred five".