6974973440 has 40 divisors (see below), whose sum is σ = 16723594800. Its totient is φ = 2789988352.

The previous prime is 6974973407. The next prime is 6974973449. The reversal of 6974973440 is 443794796.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6974973449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1359740 + ... + 1364859.

It is an arithmetic number, because the mean of its divisors is an integer number (418089870).

Almost surely, 2^6974973440 is an apocalyptic number.

It is an amenable number.

6974973440 is an abundant number, since it is smaller than the sum of its proper divisors (9748621360).

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

6974973440 is an equidigital number, since it uses as much as digits as its factorization.

6974973440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2724622 (or 2724606 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 53.

The square root of 6974973440 is about 83516.3064317382. The cubic root of 6974973440 is about 1910.6487420998.

The spelling of 6974973440 in words is "six billion, nine hundred seventy-four million, nine hundred seventy-three thousand, four hundred forty".