70646777632 has 24 divisors (see below), whose sum is σ = 140846428800. Its totient is φ = 34876256064.

The previous prime is 70646777599. The next prime is 70646777671. The reversal of 70646777632 is 23677764607.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 13970332 + ... + 13975387.

It is an arithmetic number, because the mean of its divisors is an integer number (5868601200).

Almost surely, 2^70646777632 is an apocalyptic number.

It is an amenable number.

70646777632 is a deficient number, since it is larger than the sum of its proper divisors (70199651168).

70646777632 is a wasteful number, since it uses less digits than its factorization.

70646777632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27945808 (or 27945800 counting only the distinct ones).

The product of its (nonzero) digits is 12446784, while the sum is 55.

The spelling of 70646777632 in words is "seventy billion, six hundred forty-six million, seven hundred seventy-seven thousand, six hundred thirty-two".