7743340442 has 8 divisors (see below), whose sum is σ = 11898303732. Its totient is φ = 3777239200.

The previous prime is 7743340433. The next prime is 7743340457. The reversal of 7743340442 is 2440433477.

It can be written as a sum of positive squares in 2 ways, for example, as 5361021961 + 2382318481 = 73219^2 + 48809^2 .

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 = 7743340396 and 7743340405.

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, 47215409 + ... + 47215572.

Almost surely, 2^7743340442 is an apocalyptic number.

7743340442 is a deficient number, since it is larger than the sum of its proper divisors (4154963290).

7743340442 is a wasteful number, since it uses less digits than its factorization.

7743340442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94431024.

The product of its (nonzero) digits is 225792, while the sum is 38.

The square root of 7743340442 is about 87996.2524315667. The cubic root of 7743340442 is about 1978.3788078063.

The spelling of 7743340442 in words is "seven billion, seven hundred forty-three million, three hundred forty thousand, four hundred forty-two".