6779723 has 4 divisors (see below), whose sum is σ = 6890928. Its totient is φ = 6668520.

The previous prime is 6779711. The next prime is 6779743. The reversal of 6779723 is 3279776.

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

It is not a de Polignac number, because 6779723 - 2⁸ = 6779467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6779743) 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, 55511 + ... + 55632.

It is an arithmetic number, because the mean of its divisors is an integer number (1722732).

Almost surely, 2^6779723 is an apocalyptic number.

6779723 is a deficient number, since it is larger than the sum of its proper divisors (111205).

6779723 is a wasteful number, since it uses less digits than its factorization.

6779723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111204.

The product of its digits is 111132, while the sum is 41.

The square root of 6779723 is about 2603.7901221105. The cubic root of 6779723 is about 189.2651485972.

The spelling of 6779723 in words is "six million, seven hundred seventy-nine thousand, seven hundred twenty-three".