6840734024 has 8 divisors (see below), whose sum is σ = 12826376310. Its totient is φ = 3420367008.

The previous prime is 6840734003. The next prime is 6840734039. The reversal of 6840734024 is 4204370486.

It can be written as a sum of positive squares in only one way, i.e., 6776253124 + 64480900 = 82318^2 + 8030^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×6840734024² = 93591283974222465152, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 427545869 + ... + 427545884.

Almost surely, 2^6840734024 is an apocalyptic number.

It is an amenable number.

6840734024 is a deficient number, since it is larger than the sum of its proper divisors (5985642286).

6840734024 is a wasteful number, since it uses less digits than its factorization.

6840734024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855091759 (or 855091755 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 38.

The square root of 6840734024 is about 82708.7300349848. The cubic root of 6840734024 is about 1898.3118915478.

The spelling of 6840734024 in words is "six billion, eight hundred forty million, seven hundred thirty-four thousand, twenty-four".