70668550305 has 32 divisors (see below), whose sum is σ = 129685662720. Its totient is φ = 36474088320.

The previous prime is 70668550283. The next prime is 70668550397. The reversal of 70668550305 is 50305586607.

70668550305 is a `hidden beast` number, since 7 + 0 + 6 + 68 + 550 + 30 + 5 = 666.

It is not a de Polignac number, because 70668550305 - 2⁵ = 70668550273 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8438892 + ... + 8447261.

It is an arithmetic number, because the mean of its divisors is an integer number (4052676960).

Almost surely, 2^70668550305 is an apocalyptic number.

It is an amenable number.

70668550305 is a deficient number, since it is larger than the sum of its proper divisors (59017112415).

70668550305 is a wasteful number, since it uses less digits than its factorization.

70668550305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16886198 (or 16886192 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 45.

The spelling of 70668550305 in words is "seventy billion, six hundred sixty-eight million, five hundred fifty thousand, three hundred five".