6722928 has 30 divisors (see below), whose sum is σ = 18815264. Its totient is φ = 2240928.

The previous prime is 6722909. The next prime is 6722929. The reversal of 6722928 is 8292276.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 6722892 and 6722901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6722929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23200 + ... + 23487.

Almost surely, 2^6722928 is an apocalyptic number.

It is an amenable number.

6722928 is an abundant number, since it is smaller than the sum of its proper divisors (12092336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6722928 is a wasteful number, since it uses less digits than its factorization.

6722928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46701 (or 46692 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 6722928 is about 2592.8609681200. The cubic root of 6722928 is about 188.7351627885.

It can be divided in two parts, 672 and 2928, that added together give a square (3600 = 60²).

The spelling of 6722928 in words is "six million, seven hundred twenty-two thousand, nine hundred twenty-eight".