6968743440 has 80 divisors (see below), whose sum is σ = 21615009408. Its totient is φ = 1857307648.

The previous prime is 6968743433. The next prime is 6968743477. The reversal of 6968743440 is 443478696.

It is a Cunningham number, because it is equal to 83479²-1.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 493924 + ... + 507836.

Almost surely, 2^6968743440 is an apocalyptic number.

6968743440 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6968743440 is an abundant number, since it is smaller than the sum of its proper divisors (14646265968).

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

6968743440 is a wasteful number, since it uses less digits than its factorization.

6968743440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16016 (or 16010 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 51.

The square root of 6968743440 is about 83478.9999940105. Note that the first 5 decimals coincide. The cubic root of 6968743440 is about 1910.0797130552.

The spelling of 6968743440 in words is "six billion, nine hundred sixty-eight million, seven hundred forty-three thousand, four hundred forty".