7679993 has 2 divisors, whose sum is σ = 7679994. Its totient is φ = 7679992.

The previous prime is 7679981. The next prime is 7680017. The reversal of 7679993 is 3999767.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4194304 + 3485689 = 2048^2 + 1867^2 .

It is a cyclic number.

It is not a de Polignac number, because 7679993 - 2⁴ = 7679977 is a prime.

It is not a weakly prime, because it can be changed into another prime (7679923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3839996 + 3839997.

It is an arithmetic number, because the mean of its divisors is an integer number (3839997).

Almost surely, 2^7679993 is an apocalyptic number.

It is an amenable number.

7679993 is a deficient number, since it is larger than the sum of its proper divisors (1).

7679993 is an equidigital number, since it uses as much as digits as its factorization.

7679993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 642978, while the sum is 50.

The square root of 7679993 is about 2771.2800291562. The cubic root of 7679993 is about 197.2969060038.

The spelling of 7679993 in words is "seven million, six hundred seventy-nine thousand, nine hundred ninety-three".