7838320342 has 8 divisors (see below), whose sum is σ = 11757856176. Its totient is φ = 3919034952.

The previous prime is 7838320337. The next prime is 7838320379. The reversal of 7838320342 is 2430238387.

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

It is a super-2 number, since 2×7838320342² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7838320295 and 7838320304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91608 + ... + 155140.

It is an arithmetic number, because the mean of its divisors is an integer number (1469732022).

Almost surely, 2^7838320342 is an apocalyptic number.

7838320342 is a deficient number, since it is larger than the sum of its proper divisors (3919535834).

7838320342 is a wasteful number, since it uses less digits than its factorization.

7838320342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125222.

The product of its (nonzero) digits is 193536, while the sum is 40.

The square root of 7838320342 is about 88534.2890749115. The cubic root of 7838320342 is about 1986.4348971711.

The spelling of 7838320342 in words is "seven billion, eight hundred thirty-eight million, three hundred twenty thousand, three hundred forty-two".