70071044644 has 12 divisors (see below), whose sum is σ = 122630478768. Its totient is φ = 35033765000.

The previous prime is 70071044633. The next prime is 70071044647. The reversal of 70071044644 is 44644017007.

It is not an unprimeable number, because it can be changed into a prime (70071044647) 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 3 ways as a sum of consecutive naturals, for example, 347482 + ... + 510769.

It is an arithmetic number, because the mean of its divisors is an integer number (10219206564).

Almost surely, 2^70071044644 is an apocalyptic number.

It is an amenable number.

70071044644 is a deficient number, since it is larger than the sum of its proper divisors (52559434124).

70071044644 is a wasteful number, since it uses less digits than its factorization.

70071044644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878666 (or 878664 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 37.

The spelling of 70071044644 in words is "seventy billion, seventy-one million, forty-four thousand, six hundred forty-four".