7990763 has 8 divisors (see below), whose sum is σ = 8808240. Its totient is φ = 7188480.

The previous prime is 7990751. The next prime is 7990789. The reversal of 7990763 is 3670997.

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

It is a cyclic number.

It is not a de Polignac number, because 7990763 - 2¹⁶ = 7925227 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7990763.

It is not an unprimeable number, because it can be changed into a prime (7990063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2678 + ... + 4811.

It is an arithmetic number, because the mean of its divisors is an integer number (1101030).

Almost surely, 2^7990763 is an apocalyptic number.

7990763 is a deficient number, since it is larger than the sum of its proper divisors (817477).

7990763 is a wasteful number, since it uses less digits than its factorization.

7990763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7597.

The product of its (nonzero) digits is 71442, while the sum is 41.

The square root of 7990763 is about 2826.7937667966. The cubic root of 7990763 is about 199.9229953552.

The spelling of 7990763 in words is "seven million, nine hundred ninety thousand, seven hundred sixty-three".