7830019742 has 8 divisors (see below), whose sum is σ = 12123901632. Its totient is φ = 3788719200.

The previous prime is 7830019739. The next prime is 7830019751. The reversal of 7830019742 is 2479100387.

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

It is a super-2 number, since 2×7830019742² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7830019742.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63145259 + ... + 63145382.

It is an arithmetic number, because the mean of its divisors is an integer number (1515487704).

Almost surely, 2^7830019742 is an apocalyptic number.

7830019742 is a deficient number, since it is larger than the sum of its proper divisors (4293881890).

7830019742 is a wasteful number, since it uses less digits than its factorization.

7830019742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126290674.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 7830019742 is about 88487.3987751928. The cubic root of 7830019742 is about 1985.7334533003.

The spelling of 7830019742 in words is "seven billion, eight hundred thirty million, nineteen thousand, seven hundred forty-two".