7313663 has 4 divisors (see below), whose sum is σ = 8358480. Its totient is φ = 6268848.

The previous prime is 7313659. The next prime is 7313671. The reversal of 7313663 is 3663137.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7313663 - 2² = 7313659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7313633) 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 3 ways as a sum of consecutive naturals, for example, 522398 + ... + 522411.

It is an arithmetic number, because the mean of its divisors is an integer number (2089620).

Almost surely, 2^7313663 is an apocalyptic number.

7313663 is a deficient number, since it is larger than the sum of its proper divisors (1044817).

7313663 is a wasteful number, since it uses less digits than its factorization.

7313663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044816.

The product of its digits is 6804, while the sum is 29.

The square root of 7313663 is about 2704.3784868247. The cubic root of 7313663 is about 194.1086913512.

The spelling of 7313663 in words is "seven million, three hundred thirteen thousand, six hundred sixty-three".