6813722 has 8 divisors (see below), whose sum is σ = 10249536. Its totient is φ = 3397212.

The previous prime is 6813713. The next prime is 6813739. The reversal of 6813722 is 2273186.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3908 + ... + 5375.

It is an arithmetic number, because the mean of its divisors is an integer number (1281192).

Almost surely, 2^6813722 is an apocalyptic number.

6813722 is a deficient number, since it is larger than the sum of its proper divisors (3435814).

6813722 is a wasteful number, since it uses less digits than its factorization.

6813722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9652.

The product of its digits is 4032, while the sum is 29.

The square root of 6813722 is about 2610.3107094750. The cubic root of 6813722 is about 189.5809972528.

The spelling of 6813722 in words is "six million, eight hundred thirteen thousand, seven hundred twenty-two".