6707993 has 2 divisors, whose sum is σ = 6707994. Its totient is φ = 6707992.

The previous prime is 6707971. The next prime is 6707999. The reversal of 6707993 is 3997076.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6538249 + 169744 = 2557^2 + 412^2 .

It is a cyclic number.

It is not a de Polignac number, because 6707993 - 2⁶ = 6707929 is a prime.

It is a zygodrome in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 6707993.

It is not a weakly prime, because it can be changed into another prime (6707999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3353996 + 3353997.

It is an arithmetic number, because the mean of its divisors is an integer number (3353997).

Almost surely, 2^6707993 is an apocalyptic number.

It is an amenable number.

6707993 is a deficient number, since it is larger than the sum of its proper divisors (1).

6707993 is an equidigital number, since it uses as much as digits as its factorization.

6707993 is an evil number, because the sum of its binary digits is even.

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

The square root of 6707993 is about 2589.9793435470. The cubic root of 6707993 is about 188.5953006367.

The spelling of 6707993 in words is "six million, seven hundred seven thousand, nine hundred ninety-three".