7994730742 has 8 divisors (see below), whose sum is σ = 11994924600. Its totient is φ = 3996422544.

The previous prime is 7994730721. The next prime is 7994730761. The reversal of 7994730742 is 2470374997.

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

It is a self number, because there is not a number n which added to its sum of digits gives 7994730742.

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, 460767 + ... + 477802.

It is an arithmetic number, because the mean of its divisors is an integer number (1499365575).

Almost surely, 2^7994730742 is an apocalyptic number.

7994730742 is a deficient number, since it is larger than the sum of its proper divisors (4000193858).

7994730742 is a wasteful number, since it uses less digits than its factorization.

7994730742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942830.

The product of its (nonzero) digits is 2667168, while the sum is 52.

The square root of 7994730742 is about 89413.2582003363. The cubic root of 7994730742 is about 1999.5607987248.

The spelling of 7994730742 in words is "seven billion, nine hundred ninety-four million, seven hundred thirty thousand, seven hundred forty-two".