7693913 has 4 divisors (see below), whose sum is σ = 7745700. Its totient is φ = 7642128.

The previous prime is 7693909. The next prime is 7693919. The reversal of 7693913 is 3193967.

7693913 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1607824 + 6086089 = 1268^2 + 2467^2 .

It is a cyclic number.

It is not a de Polignac number, because 7693913 - 2² = 7693909 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7693919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25670 + ... + 25967.

It is an arithmetic number, because the mean of its divisors is an integer number (1936425).

Almost surely, 2^7693913 is an apocalyptic number.

It is an amenable number.

7693913 is a deficient number, since it is larger than the sum of its proper divisors (51787).

7693913 is a wasteful number, since it uses less digits than its factorization.

7693913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51786.

The product of its digits is 30618, while the sum is 38.

The square root of 7693913 is about 2773.7903669888. The cubic root of 7693913 is about 197.4160343820.

The spelling of 7693913 in words is "seven million, six hundred ninety-three thousand, nine hundred thirteen".