6723479 has 4 divisors (see below), whose sum is σ = 7683984. Its totient is φ = 5762976.

The previous prime is 6723461. The next prime is 6723499. The reversal of 6723479 is 9743276.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6723479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6723439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 480242 + ... + 480255.

It is an arithmetic number, because the mean of its divisors is an integer number (1920996).

Almost surely, 2^6723479 is an apocalyptic number.

6723479 is a deficient number, since it is larger than the sum of its proper divisors (960505).

6723479 is an equidigital number, since it uses as much as digits as its factorization.

6723479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960504.

The product of its digits is 63504, while the sum is 38.

The square root of 6723479 is about 2592.9672192297. The cubic root of 6723479 is about 188.7403187877.

The spelling of 6723479 in words is "six million, seven hundred twenty-three thousand, four hundred seventy-nine".