6699672 has 120 divisors (see below), whose sum is σ = 21932460. Its totient is φ = 1905120.

The previous prime is 6699643. The next prime is 6699703. The reversal of 6699672 is 2769966.

It is a nude number because it is divisible by every one of its digits.

Its product of digits (244944) is a multiple of the sum of its prime factors (243).

It is a congruent number.

It is an unprimeable number.

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 29 ways as a sum of consecutive naturals, for example, 31647 + ... + 31857.

Almost surely, 2^6699672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6699672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10966230).

6699672 is an abundant number, since it is smaller than the sum of its proper divisors (15232788).

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

6699672 is a wasteful number, since it uses less digits than its factorization.

6699672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243 (or 223 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 6699672 is about 2588.3724616059. The cubic root of 6699672 is about 188.5172866997.

The spelling of 6699672 in words is "six million, six hundred ninety-nine thousand, six hundred seventy-two".