6971745920 has 32 divisors (see below), whose sum is σ = 16666831620. Its totient is φ = 2788698112.

The previous prime is 6971745919. The next prime is 6971745973. The reversal of 6971745920 is 295471796.

It can be written as a sum of positive squares in 2 ways, for example, as 6082752064 + 888993856 = 77992^2 + 29816^2 .

It is a tau number, because it is divible by the number of its divisors (32).

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, 5446037 + ... + 5447316.

Almost surely, 2^6971745920 is an apocalyptic number.

It is an amenable number.

6971745920 is an abundant number, since it is smaller than the sum of its proper divisors (9695085700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6971745920 is a wasteful number, since it uses less digits than its factorization.

6971745920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10893372 (or 10893360 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 50.

The square root of 6971745920 is about 83496.9815023274. The cubic root of 6971745920 is about 1910.3539926651.

The spelling of 6971745920 in words is "six billion, nine hundred seventy-one million, seven hundred forty-five thousand, nine hundred twenty".