6719997 has 16 divisors (see below), whose sum is σ = 9269568. Its totient is φ = 4327680.

The previous prime is 6719989. The next prime is 6720011. The reversal of 6719997 is 7999176.

6719997 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6719997 - 2³ = 6719989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6719917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14347 + ... + 14807.

It is an arithmetic number, because the mean of its divisors is an integer number (579348).

Almost surely, 2^6719997 is an apocalyptic number.

It is an amenable number.

6719997 is a deficient number, since it is larger than the sum of its proper divisors (2549571).

6719997 is a wasteful number, since it uses less digits than its factorization.

6719997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620.

The product of its digits is 214326, while the sum is 48.

The square root of 6719997 is about 2592.2957007255. The cubic root of 6719997 is about 188.7077311311.

The spelling of 6719997 in words is "six million, seven hundred nineteen thousand, nine hundred ninety-seven".