70620432448 has 28 divisors (see below), whose sum is σ = 140192721900. Its totient is φ = 35296282112.

The previous prime is 70620432413. The next prime is 70620432499. The reversal of 70620432448 is 84423402607.

It can be written as a sum of positive squares in 2 ways, for example, as 38381511744 + 32238920704 = 195912^2 + 179552^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 70620432448.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53311 + ... + 379582.

It is an arithmetic number, because the mean of its divisors is an integer number (5006882925).

Almost surely, 2^70620432448 is an apocalyptic number.

It is an amenable number.

70620432448 is a deficient number, since it is larger than the sum of its proper divisors (69572289452).

70620432448 is a wasteful number, since it uses less digits than its factorization.

70620432448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435454 (or 435444 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 40.

The spelling of 70620432448 in words is "seventy billion, six hundred twenty million, four hundred thirty-two thousand, four hundred forty-eight".