6830720042 has 8 divisors (see below), whose sum is σ = 10246476996. Its totient is φ = 3415227712.

The previous prime is 6830720041. The next prime is 6830720093. The reversal of 6830720042 is 2400270386.

It can be written as a sum of positive squares in 2 ways, for example, as 5358386401 + 1472333641 = 73201^2 + 38371^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 6830719990 and 6830720008.

It is not an unprimeable number, because it can be changed into a prime (6830720041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21728 + ... + 118884.

Almost surely, 2^6830720042 is an apocalyptic number.

6830720042 is a deficient number, since it is larger than the sum of its proper divisors (3415756954).

6830720042 is a wasteful number, since it uses less digits than its factorization.

6830720042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132312.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 6830720042 is about 82648.1702277794. The cubic root of 6830720042 is about 1897.3851418490.

The spelling of 6830720042 in words is "six billion, eight hundred thirty million, seven hundred twenty thousand, forty-two".